Psychological evaluation can be divided into broad sense and narrow sense. The broad sense of psychological evaluation refers to the evaluation of various psychological and behavioral problems, which can be used in medicine, psychology and sociology. It is mainly used to evaluate behavior, cognitive ability, personality characteristics and individual and group characteristics, and help to make judgments, predictions and decisions about people. The narrow sense of psychological evaluation, also called clinical evaluation, refers to the use of professional psychological methods and techniques in the field of psychological clinic and consultation to make corresponding judgments on the psychological status, personality characteristics and psychological and physiological health of visitors, and make correct explanations if necessary, on this basis of comprehensive analysis and identification, to provide the necessary premise and guarantee for psychological consultation and treatment.