Long-term too frequent masturbation may lead to premature ejaculation, but appropriate masturbation does not lead to premature ejaculation. Masturbation is a way of sexual release, usually refers to sexual stimulation of one’s own reproductive organs to obtain sexual arousal or other sexual pleasure stimulation behavior, appropriate masturbation can relieve tension, release pressure, promote sleep, and at the same time, discharge to remove the accumulation of prostate fluid in the prostate, to avoid or reduce the incidence of chronic non-bacterial prostatitis. But long-term too frequent masturbation is not good for the body, may make the penis sensitivity increase, thus the phenomenon of premature ejaculation; and the hand of bacteria is also easy to cause inflammation of the genitourinary system, so, should be appropriate to adjust the frequency of masturbation, so as not to affect the health of the genitourinary system as well as the normal sexual function. The causes of premature ejaculation in men are very many, such as penile head sensitivity, genetic variation, mental psychological factors, thyroid disease, etc. If there are symptoms of premature ejaculation, you should consult a doctor for examination and treatment in a timely manner, and do not avoid medical treatment, so as to avoid delaying the condition and increasing the difficulty of treatment of the disease.