Psychology is a science that studies the psychological phenomena, consciousness and behavior of human beings and animals [1]. It is both a theoretical discipline and an applied discipline, including theoretical psychology and applied psychology.
Psychological research involves many fields such as consciousness, feeling, perception, cognition, emotion, personality, behavior, interpersonal relationship, etc., and affects the development of other disciplines, such as education, management, communication, sociology, economics, psychiatry, statistics, literature, etc. On the one hand, psychology tries to explain the basic behavior and psychological function of individuals with brain operation, and at the same time, psychology also tries to explain the role of individual psychological function in social behavior and social motivation. The purpose of psychologists engaged in basic research is to describe, explain, predict and control behavior. Applied psychologists also have a fifth purpose-to improve the quality of human life. These goals form the basis of psychology.