Masturbation is a normal sexual behavior. Both men and women, after reaching puberty, due to the physiological changes in the body, hormones increase, resulting in sexual impulses and sexual desire. It is full of longing, curiosity and fantasy about sex. One may learn to masturbate on occasional opportunities, or while talking with others. When a person is thirsty, he needs to drink; when a person is hungry, he needs to eat. Normal sexual desire is the most basic requirement for human beings to reproduce offspring and is a very normal phenomenon. People generally wait 7 to 8 years or more from sexual maturity to being able to legally meet their sexual requirements – to get married. And the sexual demand during this time is often the highest, always looking for opportunities to release the pent-up sexual desire. Therefore, masturbation is the most convenient and safe way in this situation. First of all, masturbation does not transmit any sexually transmitted diseases, nor does it involve other people or get involved in emotional entanglements, nor does it lead to the occurrence of sexual assault or even sexual crimes. So it is a reasonable way to release your sexual desire and also to avoid some of the moral and social problems caused by sexual problems. Excessive masturbation can cause a number of genitourinary diseases, sexual neurasthenia, etc. The main manifestations are: 1, central nervous system and systemic symptoms such as depression, memory loss, inattention, decreased comprehension, insomnia, dreaminess, dizziness, palpitations, etc. 2. Genitourinary disorders chronic prostatitis causes frequent urination, dripping white at the end of urination, discomfort in the lower abdomen and perineum, lumbar soreness and weakness, loss of libido, impotence, premature ejaculation, and non-ejaculation. The reason for this is that you will be dizzy when reading a book or newspaper or studying for a short time. Long-term frequent masturbation can often cause a serious mental burden, due to frequent ejaculation, which can cause a decrease in semen quality, decreased libido, and in some cases, due to the elevated stimulation threshold for ejaculation, so that you cannot ejaculate during normal sex, which may affect fertility. 3, Chinese medicine theory that masturbation and excessive room strain are the main causes of kidney deficiency, kidney essence deficiency, kidney fluid depletion, resulting in spermatorrhea, slippery sperm, impotence, premature ejaculation or ejaculation difficulties in men, as well as symptoms of sexual decline such as lumbago and weakness, tinnitus and hair loss; women masturbation can occur vulvodynia, vaginitis, cystitis, and even lack of sensuality or cold libido, and in heavy cases can also cause pelvic it Stasis of blood and back pain, or lead to neurasthenia and psychosis.