The possible reasons for frequent dreaming twice a night are as follows: First, if you repeatedly watch erotic books or films, it may lead to continuous strengthening of sexual stimulation and therefore frequent dreaming. Second, if the sleeping posture is incorrect, using a prone sleeping position, or legs tightly closed, the external genitalia are under certain pressure, plus the stimulation of the senses can appear frequent dreaming. Third, if there is a local lesion of the external genitalia, such as the existence of glansitis or poor local hygiene, the presence of local foreskin scale repeated chronic stimulation can lead to frequent dreaming. Fourthly, recurrent dream emission can occur under overexertion or deep sleep. The decision should be made based on the patient’s specific external genital examination and psycho-psychological factors. If you have frequent wet dreams twice a night, it is recommended to go to the hospital for further examination and, if necessary, circumcision or treatment of related glansitis and prepuce.