During the development process of 6 million years, our primitive men and quasi-men ancestors have developed and formed appetite of a predator and culture of a hunter. When the hunting culture at that time was gradually to be completed, the religion problem occurred. During intelligence evolution of human beings, our ancestors have tried making artificial teeth and claws with branches, bones and stones. The increase of aggression and the development of science and technology, with the affection of human, should be balanced by the conscience, guilt, and religious restrain. Humans are divided into two parts according to sex: female as scavengers, gatherers and male as predators.