Because studying psychological make to understand the behavior of human beings, the students understand the development of human , and knowledge related to the physiological basis of human behavior, understand the given exposure and recognition, understanding of theories related to motivation, the important things about the learning process and the learning links, the intellectual discernment, wisdom, and the variables that influence the human individual intelligence Chao,and understand how to evaluate and measure of personality and approaches to improve his or her own personality. Moreover psychological make understand the meaning of the mental health and cause mental health problems cause, know how to treat people with symptoms. The mind and promoting good mental health for themselves and others, a study on how to adapt. With mechanical or preparation in order to protect ourselves and understand the advantages and disadvantages of mechanical or preparation for self defense,and the last make a study of the realization of social behavior (Social Perception) social behavior and bring knowledge to the application. Use the solution happened to ourselves and society as well and efficiently.