The psychology of normal people is not always healthy. The human psyche is divided into normal and abnormal psyche, judging the normal and abnormal psyche is based on the concept of disease or no disease, disease is abnormal psyche, no disease is normal psyche. The normal psychology is divided into psychological health and psychological unhealthy according to the level of health. The psychologically unhealthy people tend to be easily emotional, easily suspicious, easily agitated, easily show some excessive behavior, but can be controlled, and are more vulnerable when dealing with stress. The health level of patients is different from other people, so the health level of this part of the population is low, but can not be considered sick, most people’s mental health level is normal.