After all, it was in the palace, the old lady and Ling Lihua didn't stay long, and after instructing Lu Liangwei about some things, Zhao Qian sent them out of the palace.

Seeing the carriage go away, Long Ying held Lu Liangwei's hand and asked with a smile, "Aren't you happy that your grandmother and your mother came to see you?" ”

Lu Liang nodded slightly, smiling with crooked eyebrows, "Well, I'm very happy." After a pause, he asked, "Is the emperor busy today?" ”

"It's fine." Long Ying rubbed her hand, "It's been tossing for a long time, hurry up and go in and sleep for a while." ”

Lu Liang nodded slightly and asked, "Does the emperor want to rest together?" ”

Long Ying was going to go to the imperial study to deal with government affairs, but when he heard this, he took her hand, "It's okay." ”

The two of them turned and walked inside.

Lu Liang thought of something and said, "By the way, I have already refined the medicine you asked me to refine last time, when will I send it to the border gate?" ”

The dragon martingale was a little surprised, "So fast? ”

Lu Liangwei didn't think there was anything, she was already familiar with refining medicine, and this medicine could help her father and brother, so she naturally had to be more prepared.

After a few days of nothing, she did it.

"It's nothing."

The dragon martingale groaned, "Take me to see it first." ”

"Okay." Lu Liang took his hand slightly and walked towards the pharmacy.

This pharmacy, next door to the dormitory, is full of medicinal materials and everything, just like a small pharmacy.

After entering, Lu Liangwei took two homemade masks, one handed to Long Marting, and the other put it on himself.

Seeing her strange appearance, Long Ying looked at the mask in his hand and asked, "Why are you wearing this?" ”

"This one keeps the smell out." Lu Liangwei explained briefly, took it from his hand, stood on tiptoe, and helped him put it on, "If you don't wear it, the smell of the pill may make you unbearable." ”

If it were a few, it would be fine, but with so many pills stacked together, the taste would be much stronger, and the smell that came out could be imagined.

The dragon martingale held her waist and waited for her to put on herself, then let go of her, but asked, "So, if you put this on the horse's nose, this pill will lose its effect?" ”

Lu Liang nodded slightly, "That's true." Therefore, when our army fights with the Dan cavalry, it is better to wear something on the horse's nose that can isolate the smell, otherwise our war horse will also go crazy when it smells it. "Moreover, this method may only be used once, because after teaching the enemy to know, they can also follow suit and put this on the horse's nose." ”

Hearing this, Long Ying thought thoughtfully, "Then don't let my cavalry wear this kind of thing, this pill should be able to be dropped from a distance, right?" ”

"Yes, but when the two armies are fighting, it's hard to keep a long distance, right? If we get close, when the enemy's horses go mad, I am afraid that they will also harm those who come to us. Lu Liang hesitated slightly.

The real battlefield, which she has never seen, and her limited cognition is also seen from TV.

"It doesn't matter, on the battlefield, it is impossible to have no casualties, I will repair a letter to your father at that time, and when the time comes, if the Dan Turk sends cavalry, then ask your father to send a small team of elites to meet the enemy, you can take the opportunity to throw the pill to the Dan cavalry, and minimize the minimum casualties to our army."

Lu Liang nodded slightly, she didn't know much about things on the battlefield, since the emperor said so, she thought there was a corresponding strategy.

"By the way, what is this you are doing, and is it difficult to do this?" The dragon martingale pointed to the mask on his face and asked.