The best example of people having the least knowledge of the self in their everyday life is the experiments of scientists on wild animals. In the life of wild animals, the individual wild animal can see the world, can see each other, distinguish the harshness of the environment, understand the situation of the enemy and the self, the situation of each individual in the group. However, the presence of the self is invisible and can only perceive itself through hunger, sickness, etc. When scientists put a mirror in front of them, wild animals appear inexplicably fearful, threatening and growling at the animal inside the mirror. People, too, know themselves the least, especially not willing to understand their own shortcomings, not willing to admit that they are defective, and if once they suffer from a certain disease, they will try every possible way to deny their disease. Human life is a certain regularity, this regularity will automatically make people’s thinking rigid, once the disease comes, the regularity of life had to change, there will be inexplicable fear, as the saying goes, there are sicknesses and disorderly treatment, sicknesses and disorderly reading, under the influence of such a profound cultural background in China, each of the disease said everywhere, more will make their own thoughts confused, delaying the diagnosis and treatment of the disease.