1, the normal level of intelligence Intelligence is one of the most important signs to measure a person’s mental health or not. Because the normal level of intelligence is the most basic psychological conditions of a person’s life, learning and work. 2, sound personality Personality specifically refers to a person in the process of adapting to social life, in the physical and mental behavior of their own, to others, to the external things of the personality characteristics. Sound personality refers to the balanced and sound development of all the elements that constitute personality, such as temperament, ability, character, ideals, beliefs, outlook on life, etc. 3.Strong social coordination Refers to a person’s ability to constantly adjust his or her physical and mental behavior according to the needs of the objective environment to achieve a harmonious state of living in harmony with the objective environment. 4.Stable and moderate mood and emotion Mentally healthy people can often maintain a happy, optimistic and cheerful state of mind, full of hope for life and the future. 5.Sound will, coordinated behavior Through decisiveness, self-awareness, self-control and toughness can measure the high and low quality of a person’s will, emphasis, sound or not. 6.Harmonious interpersonal relationships In interpersonal interactions, psychological compatibility, mutual acceptance and respect; sincere and kind feelings towards others; know how to dedicate and put the collective interest first. 7, psychological characteristics in line with the psychological age The actual age of the individual should be consistent with the psychological age and physiological age; individuals should show the corresponding psychological characteristics in different psychological developmental periods.