In the middle of the Spring and Autumn Period, private schools had been established, and by the end of the Spring and Autumn Period, private schools were increasingly prosperous. Private school of Confucianism and Mohism was an "outstanding school" at that time. Confucianism was a school that had a great influence on politics and education in the Spring and Autumn Period, and its representatives were mainly Kong Qiu, Mencius and Xun Kuang. Confucius began to give lectures at the age of 30 and founded the first Confucian private school.