Belief is a high recognition of an ideology, a product of human evolution and a sublimation of human thought. Faith will have an impact on people's behavior. Faith has become a necessary condition for the existence of religions, political parties or sects. Religion, political parties or sects constantly preach and instill their own ideas to the public, so that the public can form identity in the depths of their thoughts. This identity is also a kind of belief, or this belief maintains its existence and development. Faith plays an extremely important role in life, which makes people think about deeper things (such as the meaning of life, where human beings will go, life and death, etc. In addition to primitive needs (such as food, clothing, housing and transportation), faith is also an important factor affecting the development of human society.