What are the four schools of Confucianism?

The four schools of Confucianism are as follows:

1. Confucian school that only respects Confucianism: refers to the school that abides by the tradition and basic spirit of Confucius, Mencius and Xunzi, the masters of Confucianism in the pre-Qin period;

2. Confucianism and Taoism complementary school: one is Confucianism and Taoism complementary, and the other is Confucianism and Taoism complementary. Confucianism and Taoism complement each other, mainly including Lianxi School and Baiyuan School in the Northern Song Dynasty;

3. Unity of the Three Religions: Most Confucianists in the Song, Yuan, Ming and Qing Dynasties belong to the Unity of the Three Religions. Zhu Cheng School and Lu Wang School in Neo-Confucianism are both schools of three religions in one;

4. The communication between Christianity and China's traditional culture and between Islam and China's traditional culture. As early as the third and fourth centuries, Christianity was introduced to China, and Matteo Ricci was the real successful missionary, so he was called the founder of the spread of western learning to the east in the late Ming and early Qing dynasties.