In his arduous social practice all his life, Confucius had a profound knowledge and understanding of the society at that time, gradually established the basic system of Confucianism, and became a famous political theorist, educator and thinker at that time. The Confucianism he founded has a great influence on the history of China and even the world. According to records, from 220 AD to before liberation, the Confucius Temple was rebuilt and expanded more than 70 times. After more than 2000 years of renovation and expansion, the Confucius Temple in Qufu has formed a large-scale ancient architectural complex. * * * Covers an area of about 1.4 million square meters, with 466 halls, 54 doors and 1.7 pavilions. Its scale and the Forbidden City, chengde mountain resort and known as the three ancient buildings in China. The overall layout of Confucius Temple has developed from the former residence of Confucius for a long time, with a history of more than 2,400 years. The architectural effect pursued by the development of Confucius Temple is achieved by setting off the great achievements of Confucius and the profoundness of Confucianism through the environment created by the whole building complex. Therefore, the artistic expression of Confucius Temple architecture is a subtle aspect of individual architecture, which fully embodies the unparalleled architectural artistic achievements of China ancient architects in design and construction. From the overall architecture, Confucius Temple adopts the ancient traditional palace-style architectural form. But it has been rebuilt and expanded many times in history. Whenever it is rebuilt and expanded, it will inevitably be limited by the shape and scale of the previous generation of Confucius Temple buildings. However, the Confucius Temple complex finally succeeded in using the previous generation's heritage, which not only reflected the continuation of historical heritage, but also maintained its overall integrity. Confucius Temple successfully used the expression technique of combining traditional courtyard combination with environmental contrast, and achieved the purpose of exaggerating Confucius' outstanding contribution in academic and education and his lofty position in ancient society. It is a unique architectural form among the ancient buildings in China. There are more than 1200 ancient trees in the Confucius Temple, which are in harmony with the magnificent buildings. Especially in summer, thousands of herons inhabit ancient trees, forming another unique landscape of Confucius Temple. Heron is designated as a city bird in Qufu.