The idea advocated by Fan Zhongyan: Pay attention to the influence of environment and education on people. It is believed that "teaching in seclusion is close to an animal", teaching people to pay attention to self-cultivation, self-satisfaction in further study, doing wrong things and asking others instead ",and demanding that" wealth can't be lewd, poverty can't be moved, and powerful people can't bend ".

1, politically put forward the argument that "those who do things govern the people, those who do things govern the people, those who govern the people eat people, and those who govern the people eat people". Put forward the theory that "the people are more valuable than the monarch", and advise the rulers to attach importance to the people and regard the cruel monarch as a "single husband", so that the people can overthrow him. Oppose the annexation by force, and think that only "non-killers" can rule the world. He also strongly advocated "the law should be king first" and "benevolent government", restored the mining system, saved punishment and taxes, and achieved "the people are not hungry and the people are not cold" to ease class contradictions.

2. Morally, he affirmed that human nature is good, and they all have natural moral consciousness such as benevolence, righteousness, courtesy, wisdom and faith. There are also unique opinions, systematic exposition and specific requirements for benevolence, righteousness, courtesy, wisdom and faithfulness.

3. In the world outlook, because he overemphasized the subjective spiritual function of human beings, he formed the theoretical system of idealism in Confucian philosophy.