Masturbating on a rainy day is no different from masturbating on a normal day, as long as you make sure it is moderate and healthy. Objectively speaking, masturbation is a very common and normal sexual activity. There is no research to suggest that masturbation has any direct physiological or psychological effects. There is also no evidence that masturbation on a rainy day can do any harm to the body. However, it should be noted that masturbation should be carried out on the basis of safety, hygiene and privacy, as follows: 1, moderate masturbation: each person’s physical condition is different, there is no uniform standard, so the principle of moderation, does not affect the next erection, does not cause discomfort in the reproductive system, as long as you do these 2 points, the frequency of that is moderate; 2, health and hygiene: before and after masturbation, be sure to wash your hands and genitals, and to ensure that the environment is Clean and hygienic, at the same time should develop the habit of adhering to exercise, nutritional balance; 3, private space: masturbation should choose a private environment, will not affect others to carry out the place, can not affect the normal life; 4, no psychological burden: masturbation is normal, there is no need to have a sense of guilt and guilt, put down the psychological burden, don’t give yourself pressure.