Fourteen-year-old boy spermatozoa may be due to exposure to pornographic books, resulting in frequent spermatozoa caused by overfilling of semen. Usually there is no clear standard for how often a fourteen year old boy’s seminal emission is considered normal, according to the difference in specific physical conditions, 2 to 3 times a month, 1 time a week is considered normal. Boys will produce semen after entering puberty, when the 14-year-old boy long-term exposure to some pornographic books, pictures, videos, and in the absence of sex or masturbation, the production of semen can not be discharged out of the body, the phenomenon of seminal emission will occur. If there is no other abnormality in the body after seminal emission, it is normal to have seminal emission 2 to 3 times a month or once a week. Frequent seminal emission caused by prolonged exposure to pornographic books or videos may have a bad effect on the 14-year-old boy’s psychology and body, so he should avoid frequent exposure to such books, pictures, videos, etc. At the same time, he should pay attention to physical hygiene and strengthen his exercise program. At the same time, they should pay attention to physical hygiene, strengthen exercise, avoid staying up late, and ensure a reasonable and nutritious diet.