Dreaming usually refers to spermatorrhea, physiological spermatorrhea generally do not need to be prevented, if the frequent occurrence of spermatorrhea, may be related to frequent contact with sexual stimulation, prostatitis, glans and other factors, need to take effective preventive measures, including reducing sexual stimulation, improve bad habits, pay attention to lower body hygiene. 1. Reduce sexual stimulation: avoid frequent contact with sexual stimulation in daily life, do not contact with some stimulating videos or books, in the evening when sleeping, avoid the genital area temperature is too high, do not be pressed, can avoid frequent seminal emission. 2. Improve bad habits: avoid frequent masturbation, do not hold urine for a long time, do not drink and smoke for a long time, reasonable rest, more exercise, reduce the probability of prostatitis disease. 3. pay attention to the lower body hygiene: should pay attention to the glans area hygiene, often wash, change underwear, avoid unclean sex, the existence of the circumcision or circumcision, and recurring glans, it is recommended to carry out surgical treatment, such as circumcision surgery, to reduce the incidence of glans. When frequent seminal emission occurs, you should also pay attention to it and seek medical examination and treatment to avoid adverse effects.