Lack of control of sexual function is a symptom of sexual dysfunction premature ejaculation, which may be related to psychological factors, frequent masturbation, etc., and some diseases may also be induced. Premature ejaculation is defined as ejaculation that often occurs about one minute after insertion into the vagina from the first sexual intercourse, or a significantly shorter vaginal ejaculation latency, usually less than three minutes. Conventional wisdom suggests that most premature ejaculation is psychological in nature, and such patients also have highly sensitive penile sensation or are induced by conditions such as priapism and prostatitis. Frequent masturbation in some people may lead to increased sensitivity of the glans, which can also cause symptoms of premature ejaculation. Some other diseases may also induce premature ejaculation, such as prostatitis and hyperthyroidism. If the symptoms of premature ejaculation are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, to clarify the cause and then give targeted treatment.