Dragon City became a city of weapons, and its popularity rose, Wei Guo, Cai Guo, Song Guo, Dai Guo, and Chen Guo all came to ask for weapons, and each monarch obtained 2,000 fishbone sticks, which were favored by weapons with great lethality against war horses. Zheng Zhuang Gong came to see Long Hui, General Long will definitely help me this time, what happened to the Grand Duke? Several small countries jointly bullied Wu Zheng Guo, and the soldiers and soldiers were seriously damaged in the fierce warfare, so please ask the general to join me in another batch of weapons. 10,000 pillar canes were transported back to Zheng Guo by Zheng Zhuanggong. Ju and Xiang are both small countries in the East. The monarch of Ju Guo married Xiang Guo Xiang Jiang as his wife, and Xiang Jiang was not at ease in Ju State, so he returned to Xiang Guo without authorization. On the grounds of asking for Xiang Jiang, the monarch of Ju led his troops into Xiang Guo and returned to China with Xiang Jiang. In the fifty-first year of King Zhou Ping, King Zhou Ping died, and he was called King Ping. King Zhou Ping's crown prince Ji Ji's father died very early, so he was succeeded by Ji Lin, the grandson of King Zhou Ping and the son of Ji Chu's father, who was King Zhou Huan.

In 719 BC, Weiguo Prefecture called on Wei Huan Gong to stand on his own, under the banner of Gongsun Hua, the son of Zheng Zhuang's younger brother Gongshu Duan, who had taken refuge in Weiguo, through bribery and other means, and Song Yangong was dissatisfied with Zheng Guo's acceptance of his cousin Gongzi Feng, and entangled Chen Guo, Cai Guo, and Song Guo to attack Zheng Guo, besiege Zheng Guo's east gate, and only withdrew after five days [. This battle not only continued the war between Zheng and Wei provoked by Gongsun Hua, but also started a series of battles between Zheng Zhuang and the princes.

Lu Sikong Zhan Wuxiao and Fei Yufu led the Lu army to conquer the vassal of Lu - the Polar State. In February 719 BC, in order to expand his territory, the king of Ju sent troops to attack Qi in the northeast of Ju State, and the Ju army defeated Mu Lou, a border city in the south of Qi State, and captured Mu Lou.

In order to retaliate for the battle of the East Gate of the Eastern Gate of the Patriotic State of Junzhou, which was instigated by the Song State, the State of Chen, and the State of Cai, Zheng Zhuang Gong invaded the border of the Kingdom of Wei after the civil strife caused by the State of Wei Guozhou had subsided and Wei Xuangong had just ascended the throne. The Yan army south of the Wei Kingdom crusaded against Zheng State, and Zheng Zhuang Gong sent three armies led by Saizu, Yuan Fan, and Fu Jia to meet the battle, but secretly sent Gongzi Manbo and Gongzi Ziyuan to infiltrate the rear of the Southern Yan army. The Southern Yan Army was afraid of the three armies of Zheng State, but it did not concern the people of the Northern System. In June of the same year, Gongzi Manbo and Gongzi Ziyuan led the people to defeat the Southern Yan army in the north.

The Song State attacked the State of Song, and the State of Zheng asked for help from the State of Zheng, and the Duke of Zheng Zhuang and the army of the King of Zhou raised troops to attack the State of Song, and invaded the land of the Song State in retaliation for the Battle of the East Gate. In the same year, Duke Song Yangong crusaded against Zheng because of his cousin Gongzi Feng's residence in Zheng Guo's Changge and his revenge for invading the land of Zheng, and led an army to besiege Zheng Guo's Changge. In the autumn of the following year, the Song army captured Changge.

After hearing the death letter of the Marquis of Jin, Zhuang Bo sent troops to invade the Jin State again, but King Zhou Ping intervened and sent Duke Yu to crusade against Quwo, and established the Marquis of Jin, and Zhuang Bo retreated to Quwo.

Long Hui looked at the news sent back by the army and sighed, the ambitions of all countries have been exposed, and Zheng Guo is really busy.

Dragon City is now strong, and there are basically no small countries to provoke, and the big countries are afraid that Dragon City will become their opposite, and they also frequently show goodwill.

Zheng Zhuanggong took the initiative to ask for peace with Chen Guo, but Chen Huangong did not allow it, and the fifth father of the doctor advised Chen Huangong to be kind and neighborly, and promised to make peace. Chen Huan Gong had promised the Song State and Wei Guo that he did not want to be blamed by the two countries, so he refused. Zheng Zhuanggong invaded the state of Chen and won a great victory, but the state of Chen did not agree to an armistice.

In December, Chen Guo and Zheng Guo made peace. In April of the following year, the prince of Zheng Guo suddenly sent an envoy to propose marriage to Ru Chen, and Chen Huan Gong agreed, and the prince suddenly came to Chen to welcome the concubine to return to Zheng Guo. Since then, Chen Zheng has formed an alliance.

In 714 BC, the Beirong people invaded Zheng State. Zheng Zhuanggong led his troops to resist, he was worried about the strength of the Rong army, and said: "The enemy infantry, our chariots, I am worried that the enemy army will suddenly attack in front of our army from the rear. Gongzi suddenly said: "Send brave but not resolute soldiers to retreat as soon as they come into contact with the enemy, and the monarch will set up three groups of ambush soldiers to wait for them." The Rong people are reckless and not purged, greedy and not united, and they have won the battle without giving in to each other, and defeated each without saving each other. Those who go to the front and see the captives of property will surely move forward, and if they are ambushed by the ambush, they will run quickly. If those who walk behind do not come to the rescue, the enemy soldiers will have no successors. In this way, we can be victorious. Zheng Zhuanggong listened to Gongzitu's advice. The forward troops of the Rong people fled when they encountered an ambush, and Zhu Dan chased them, cut off the Rong army from it, attacked the front and rear, and annihilated all the Rong army. The follow-up troops of the Rong army desperately fled. On November 26, the Zheng people defeated the Rong army and fled.

The Rong clan was a Rong tribe living in northwest China in the early Spring and Autumn Period, and established Boyi. In 714 BC, Qin Xiangong moved the capital of Qin from the west to Pingyang, and actively expanded to the east. In the same year, he attacked Bo Rong. In 713 BC, the Qin State sent troops again, captured the capital of Bo, and destroyed Borong.