Spermatorrhea is not due to sexual intercourse and semen on their own discharge , there are physiological and pathological nocturnal emission. Chinese medicine named it sequelae of sperm or sperm loss. Have a dream named "wet dream", without a dream, even sober the slipping their own named it as "Slip sperm" Mostly caused by the kidney essence not fixed, or heart and kidney imbalance, or downward flow of damp-heat. Western medicine can be found in phimosis, prepuce, urethritis, prostate disorders. Wet Dreams is often the beginning of awake spermatorrhea,wet dream and Slip sperm are two different degree of spermatorrhea syndromes.Nocturnal emission is not menstruation, nocturnal emission is not regular at all. Previously spermatorrhea, now disappeared,which is also a normal thing. In particular, when men reach middle age, they almost never happen again.