1, Epang Palace; After Qin Shihuang destroyed the six countries and unified the whole country, he built a lot of buildings and palaces in Xianyang, the capital city, the largest of which was Epang Palace. The palace was not completed until the death of Qin Shihuang and Qin Ershi. Epang Palace, with an area of more than 200,000 square meters, has always been a symbol of the extravagance of imperial power, and later generations have taken this as a lesson to persuade the rulers to love the people. 2. Chang 'an Weiyang Palace; Weiyang Palace was built by Liu Bang, Emperor Wu of the Han Dynasty, on the basis of the palace of the Qin Dynasty. It was the largest palace complex at that time, and the oldest palace complex in the history of China. The role of palace as a political hub has been used by dynasties until the Southern and Northern Dynasties. 3. Luo Yang Palace in Du Dong; During the Sui and Tang Dynasties, Luoyang was the most important front stop to prevent Shandong rebels from guarding Guanzhong. Many emperors in Sui and Tang Dynasties built palaces here and stationed them to show their attention. The most important one is Luoyang Palace, which was built here by the founding emperor Sui Wendi, and it is also the largest palace group in Luoyang history. 4. Daming Palace; Daming Palace is the largest palace group in the history of China and even the world. Its area exceeds that of the four Forbidden Cities. It is a symbol of the national strength of the Tang Dynasty in the heyday of feudalism in China. Located in the northeast corner of ancient Chang 'an, it is the most used building group in ancient China. Many superb architectural techniques have a far-reaching impact on future generations. After the Anshi Rebellion, it was repeatedly looted and destroyed in 896 at the end of the Tang Dynasty. 5. Forbidden City; It is the political hub of Ming and Qing Dynasties, the most complete existing wooden palace group in China, and the first of the five existing palaces in the world. Built by Zhu Li, the third emperor of the Ming Dynasty, it is now the Palace Museum, which has extremely important historical research and cultural relics preservation value.