For the lonely, it (masturbation) is a companion; for the abandoned, it is a friend; for the elderly and sexual inability, it is a charity; those who are penniless, as long as they still have this entertainment, is rich. Masturbation in our country is a “privacy”, although more adolescent men and women masturbate, but more than not openly talk about. There has been controversy over masturbation in ancient and modern times, and masturbation has been harmful until recent times. The human body can occur at different stages of development, such as childhood masturbation, adult masturbation and masturbation after marriage, can not simply, generalized masturbation as a perverse, obscene behavior. The sexual dysfunction produced by masturbators is not always caused by masturbation itself, but is caused by fear, self-blame and other psychological. As the American Psychiatric Manual argues, masturbation is a type of sexual behavior that is labeled as such. It becomes a problem simply because there is a feeling of guilt and inner anxiety when masturbating. 1, normal masturbation Masturbation is a normal sexual behavior prevalent in human beings, and is quite common among young lunches. It is compatible with the sexual physiological development of adolescents, and is an objectively required pathway for sexual energy release that is compatible with the non-marital state. Masturbation is an autonomous type of direct energy release behavior, is a self-limiting behavior of masturbation. Unmarried men and women masturbate 1-2 times a month to relieve psychological repression or to achieve physical satisfaction, and does not affect health. It is more realistic to use masturbation when the couple is separated for a long time or when one of them is sick, in order to avoid extramarital sexual relations. For a variety of deep-rooted reasons, the vast majority of men have some sense of guilt about masturbation, if society and schools actively guide is very beneficial. 2, excessive masturbation Ancient Chinese medical texts have long been “sick from overuse” said, “too much”, “not enough” can cause disease. The actual fact is that you can find a lot of people who are not sure of their own personal needs. This can produce psychological disorders. The compulsory excessive masturbation of men may lead to some genitourinary system diseases, such as chronic pelvic congestion, prostatitis, urethritis, spermatic vein tension, etc., followed by certain symptoms, such as frequent urination, perineal discomfort, dampness and coldness in the pubic area, testicular pain, back and waist pain, weakness of the limbs, and even sexual dysfunction, infertility. Excessive masturbation can also lead to depression, memory loss, inattention, decreased comprehension, insomnia, dizziness, headaches, tinnitus and palpitations. When these symptoms or genitourinary inflammation occur, you should take the initiative to adjust the treatment. The main preventive health measures are the following: 1, to overcome the tendency to focus too much on sex, so that attention to study; 2, pay attention to the regularity of life and diet regulation, rest on time, less stimulating food; 3, to develop good hygiene habits, pay attention to keep the vulva clean, to avoid adverse stimuli; 4, to actively participate in social activities, physical exercise and recreational activities, do not read unhealthy books, movies and TV To reduce the sensitivity to the opposite sex.