Too much coitus is detrimental to the health of the statement is correct, in the clinic doctors often recommend that adult men have sex 1 to 2 times a week and their own fatigue will not be appropriate, not only to help promote the relationship between husband and wife, but also to help the emptying of the prostate fluid stagnation. If adult men have sex less than twice a month, the prostate fluid in the seminal vesicles for a long time, may lead to inflammation of the prostate and seminal vesicles. If the sex life is more than 3 times or more in a week, it may lead to overwork of the body, affecting the normal work life and study, and even impotence and premature ejaculation and other sexual dysfunction manifestations. The number of times adult men have sex should be adjusted appropriately according to their own health status, if they feel lumbar soreness, tinnitus, foot weakness, weakness, indicating that it is too frequent, should be appropriate to reduce the number of times of sex and extend the interval between sex.