During the Three Kingdoms period, paper had already appeared, that is, the earliest paper, Cailun paper.

However, Cai Lun paper because it is the earliest paper, the production technology is very immature, and it is also a little precious, so if you want to make a Luoyang paper, the cost is still very high.

Anyway, the families of non-dignitaries and nobles definitely can't afford to use Cai Lun paper, Cai Lun paper is mainly all over the court, for those ministers to enjoy, even in the local county government, Cao Xing rarely gets Luoyang City, at most it is used when posting notices, and it cannot be used at other times.

So Cao Xing thought, can you simplify Luoyang paper? The paper of later generations was regarded as light industry, but because of the restrictions of the times, Cao Xing estimated that the Three Kingdoms period could not even reach the level of light industry, so he had to push forward again, and finally thought of something like rice paper, which seemed to appear in the Ming Dynasty.

Cao Xing recalled the manufacturing process of rice paper, so he asked Xiaoman to go to the market and buy green sandalwood bark, sand field straw, and of course, water is indispensable in the production process.

Cao Xing vaguely remembers that in the process of making rice paper, it needs to be washed, clockwork, mixed and so on, and Cao Xing can't remember it very clearly, so he keeps experimenting.

It took a week to finally fuse the green sandalwood bark and the sand field straw into a pulp, and then Cao Xing began to expose himself to the sun, and finally pulled out layer after layer of rice paper.

Although this kind of rice paper still looks a little sallow and sallow, it is not much better than Cai Lun paper, but then again, the cost is much less than Cai Lun paper, and secondly, Cao Xing will also keep these production processes in mind, this is not so complicated, as long as you hire some people, I believe that they will soon be able to teach, once everyone will, this kind of rice paper can become popular.

After another half a month, Cao Xing's rice paper was completely circulated in the market, and the price was not expensive, about one penny could buy two, and every household could afford it. The people all clapped their hands and applauded, and the people in the government were also very surprised, when they used to write, they could only write in heavy wooden tablets.

But now all of them are replaced by this kind of rice paper, which is much lower than wooden tablets, first of all, the cost is much lower, and there are many more characters written.

More importantly, rice paper is much more convenient than wooden tablets. It's easy to pick up, so Cao Xing's county government can be said to be the county government with the highest office efficiency in contemporary times.

Cao Xuan took this kind of paper to Liu Wan in batches, so that Liu Wan could take it out and sell it on a large scale, and the price was naturally the farther away the more expensive.

And Liu Wan was also overjoyed, the advent of this new thing will inevitably lead to a lot of crazy robbery, after all, paper is indeed a lot of benefits, this time out, it looks like you can make a lot of money, but before leaving, Cao Xuan also told Liu Wan that the production method of rice paper must be kept secret, at least for now, Cao Xuan must firmly grasp it.

Cao Xuan has now made something like rice paper, and I believe that it will not take long to popularize the entire Three Kingdoms, but Cao Xuan feels that this is not enough. So he immersed himself in his secret room for a while, but this time was quite fast, only three or four days.

Cao Xuan first found a pile of wooden boards, which looked very thick, Cao Xuan called two workers who could read and hyphenate characters, and asked them to carve words on the wooden boards, but the carved words were a little peculiar, and they were completely opposite to the words usually written.

Although the two workers didn't understand what Cao Xuan meant, they had no choice but to do what Cao Xuan said.

When all these words written backwards were engraved, Cao Xing picked up a knife and carved them little by little, and finally these words written backwards were completely highlighted.

Then Cao Xing put these words written backwards, stained them with ink, and finally fixed them on the paper, and rows of clear words appeared on the paper, and in this way, printing technology came out.

The biggest effect of printing is that it saves a lot of manpower and can print books in batches, and the first thing Cao Xing did to make printing is to print all kinds of books in batches, and then distribute them to all parts of Jiuyuan County.

The price of each book is only a little higher than the cost price, so in less than half a month, the market in Jiuyuan County is full of books, and every ordinary person can buy it, in other words, even at home, they can read and write by themselves.

This is another great good thing for the benefit of the people, but Cao Xuan only made printing popular in Jiuyuan County, this is not that Cao Xuan wants to hide his secrets, and it is not very difficult to do this kind of thing.

I believe that with the wisdom of the ancient working people, as long as the prison of thought is opened, it is not possible to make it, not to mention that now Cao Xing has made a start, and it will not be long before printing will rise in other places. So there is no need for Cao Xing to spread it widely.

Now that all the big problems have been solved, Cao Xing's whole person is also idle, and he practices martial arts in the school field every day, and Cao Xing is holding a huge bow and arrow on this day.

His hand slowly pulled the bowstring, and it could be seen that Cao Xing's hands trembled slightly in the process.

However, in the end, Cao Xuan still pulled the bow like a full moon, and then shot the arrow in his hand, and the arrow flew rapidly in the air, producing one whistling sound after another.

In the end, I heard a thud, and the arrow kept trembling, and finally shot at the red star three hundred paces away.

Seeing this, Cao Xuan took a deep breath, put down the bow and arrow in his hand, and wiped the sweat from his forehead.

Immediately after that, Cao Xing felt the inside of his body. It seems that some subtle changes have occurred, and those thin auras in heaven and earth began to pour into Cao Xing's body crazily, and then, Cao Xing's body emitted an indescribable sense of comfort.

In this regard, Cao Xing has been accumulating for a long time, and now he has finally broken through a small amount again, and now Cao Xing's martial arts have reached the point of the late stage of the martial arts.

Feeling the strength of his arms, it seemed to have increased a lot again, Cao Xuan looked at the bow and arrow in his hand again, and when he pulled him away again, it became a lot easier.

Cao Xing came to this world, the most proud of the capital, is his hand of magic bow and arrow, now Cao Xing's bow is a seven-stone bow, in a parallel distance, three hundred steps away can hit the target, this result is already very good, Cao Xuan also felt very satisfied. I believe that Cao Xing on the battlefield will also become more confident.

Once Cao Xing inspected his cavalry troops, and saw every soldier riding on horseback and charging on horseback, Cao Xing's heart couldn't help but sigh, and the boy in the state was really a natural rider, and under the unified training, everyone seemed to be highly skilled. If used properly on the battlefield, this is definitely a sharp blade.

However, Cao Xing watched these soldiers riding horses, and felt a little strange in his heart, and after thinking about it, he finally found out that something was wrong.

Fighting this thing, one relies on morale, the other relies on weapons, and now the morale of Cao Xing's soldiers is very high, not to mention the reward of the ten-level military merit system, Cao Xing's soldiers are as fierce as a tiger when they go into battle to kill the enemy. So what Cao Xuan needs to improve now is just equipment.

Cao Xuan directly found Ma Bo, drew two schematic diagrams, and handed them to Ma Bo's hands, at first Ma Bo was a little confused, but after Cao Xuan told Ma Bo about the use of these two things, Ma Bo suddenly realized, he directly brought a war horse, and began to tailor the size of this war horse.

With the wisdom of a skilled craftsman like Ma Bo, it only took two days for the horse's hooves to come out.

In fact, this thing is equivalent to making shoes for horses, and the horses will run on the plains with the horses' hooves, which will be more like walking on the ground, after all, with the protection of the horse's hooves, the horse's soles can not worry about any damage.

There is another thing, and that is the saddle.

Ma Bo also painted the scoop according to the gourd, according to the schematic diagram given by Cao Xing, and finally made the saddle, which is to put it bluntly, that is, to put a cushion on the horse's back, there is a place to settle on both sides, and it is precisely because the feet have a foothold that the body can be better balanced.

As soon as the saddle was made, Cao Xing immediately asked Hu Che'er to go up and give it a try, Hu Che'er was a warrior on horseback, and after feeling the benefits of the horse's hooves and saddle, the whole person was excited. Even shouted there, with these two artifacts, he was invincible in the world.

Seeing Hu Che'er so arrogant, Chen Hu, as the coach, was naturally unhappy and wanted to go up to teach Hu Che'er a lesson, but Chen Hu couldn't control it well and couldn't master the balance of his body, and was finally beaten down by Hu Che'er.

Seeing this, Cao Xing and the others were surprised, according to normal speaking, Hu Che'er would definitely not be able to defeat Chen Hu, but now he has won the battle, which is enough to show how convenient the two things of horse hooves and saddles will bring to ordinary soldiers.

Therefore, Cao Xuan did not hesitate, and immediately asked Ma Bo to send another group of people to work overtime to build things like horse hooves and saddles, and it wanted every cavalry soldier to equip these two things.

Cao Xing's deployment continues to be carried out steadily and chaotically, and Jiuyuan County is also developing day by day.

Originally, the days were relatively peaceful, but one day three months later, because of the announcement of a letter to the world, the world was once again in turmoil, which was the famous Dong Weiwen.

Cao Cao got the support of their family in his hometown of Qian County, and quickly raised troops, at this moment Cao Cao was looking forward to it, and wanted to get rid of the national thief Dong Zhuo as soon as possible, so he invited the famous contemporary writer Chen Lin to write a large article in which he denounced Dong Zhuo's mistakes. described Dong Zhuo as a chaotic party that everyone was punished for.

It is said that when Dong Zhuo saw this article, he directly tore the article to shreds in anger, and the whole person was furious.

This letter was naturally sent to Cao Xing's hand, Cao Xing was sitting in his study, looking at this letter expressionlessly, and then handed the letter to Jia Xu's hand.

Cao Cao's letter was sent to the princes who have power in the world, to put it bluntly, that is, the princes who have soldiers in their hands, and I hope that everyone can crusade against Dong Thief together and go to the national disaster together.

However, behind Cao Xing's letter, there is even a letter, which was written by Cao Cao to Cao Xing personally, Cao Xing opened it and saw that Cao Cao seemed to express only one meaning at the end, that is, he and Cao Xing had not seen each other for a long time, and they missed it very much, and they hoped that Cao Xing would never shirk this time.

When Cao Xuan saw this letter, he smiled, in fact, in Luoyang, there may be only Cao Cao who can be regarded as his friend, so when Cao Xuan fled Luoyang, he did not forget to write a letter and handed it over to Cao Cao.

Today's Cao Xing is just a growing hero, the vision is not so long-term, Cao Xing told Cao Cao that it is impossible to continue to stay in Luoyang, and the best way for Cao Cao is to hurry back to his hometown in Qian County, Cao Cao didn't believe it at first, but the more he went to the back, the more Cao Cao realized that what Cao Xing said was right.

Therefore, without Wang Yun in the Romance of the Three Kingdoms giving a knife, and without Cao Cao assassinating Dong, Cao Cao directly resigned and came to his hometown of Qian County, with the full support of the Cao family and the Xiahou family, Cao Cao quickly developed.

What Cao Cao did this time can be said to be not small, so Cao Cao naturally wants to pull Cao Xing.

Cao Xing first put the letter aside, then stared at Jia Xu and asked, "Mr. Wenhe, I don't know what you think of Cao Cao's crusade against Dong Zhuo this time!" ”

"Hehe, when the general was in Luoyang, he should have seen the intrigue of those people, competing with each other, although now the imperial court's control over the local area has weakened, and many people are listening to the tune and not listening to the announcement, and they recruit soldiers to build weapons, but after all, the power is too small to be compared with Dong Zhuo's pampering generation!"

"Taking a step back, even if everyone unites and fights against Dong Zhuo, but there is also a discord in the face and heart, but then again, now this Cao Cao is warmly invited, if the general really ignores it, first of all, he will be condemned by the world in righteousness, and secondly, he will be hated by Cao Cao, so the general must think about it carefully!"

Jia Xu's words made it very clear that the Eighteenth Route Princes' crusade against Dong Zhuo was coming, but Cao Xing also knew what the Eighteenth Route Princes' crusade against Dong Zhuo would be. This also confirms Jia Xu's foresight.

However, as Jia Xu said, if Cao Xing really ignores it, he will definitely be criticized by countless verbal criticisms, and even Cao Cao will look down on Cao Xing, so Cao Xing really can't help but go.

Therefore, after discussing with Jia Xu for a while, Cao Xuan finally came to a conclusion.

When Cao Cao's begging for Dong Weiwen came out, he received a response from many people with lofty ideals in the world. Many people were there to respond loudly to Cao Cao, Dong Zhuo's national thief, he should be cut down for the sky, and he will soon lead troops to come and kill the thief with Cao Cao.