A normal male at the age of 15 will experience seminal emission, the frequency of which is usually 1-2 times a month. The phenomenon of ejaculation only occurs during sex or masturbation. 15 years old is in a critical period of growth and development and should be avoided as much as possible. The phenomenon of ejaculation will occur after the male enters puberty, and if he is exposed to some obscene pictures and videos, the phenomenon of ejaculation may also be more serious, but generally 1-2 times a month, it is a normal physiological phenomenon, do not need to be overly nervous. However, it should be noted that frequent masturbation and ejaculation at the age of 15 should not be avoided, otherwise it will not only affect their growth and development, but may also induce some reproductive system diseases and seriously affect psychological health. If the patient’s daily seminal emission is more serious, occurring once a few days or more than 4-5 times a month, he may experience insomnia, dreaminess, depression and other discomforts, it is recommended to eliminate unnecessary psychological burdens and seek timely medical attention from the urology department.