Why do people wear clothes? First of all, the original function of clothes is to protect human beings from the cold. In other words, it is one of the tools of human life, and knowing how to use tools is the starting point of the difference between people and animals. This behavior itself also reflects the difference between genetic instinct and subjective consciousness. With this subjective consciousness, human beings have accelerated the speed of differentiation from animals. With this subjective consciousness, human beings have today's civilization.