Frequent stimulation of the glans may cause premature ejaculation. Premature ejaculation is currently a common clinical male disease, is one of the male sexual dysfunction disease, refers to when the penis inserted into the female vagina before, or in a short period of time after the insertion of the female penis, the phenomenon of uncontrolled ejaculation. There are many causes of premature ejaculation, such as psychological factors, endocrine diseases, prostatitis, genetic diseases and so on. Frequent stimulation of the glans, such as men who masturbate too often, violently stimulate the glans to achieve sexual satisfaction, often this may lead to the occurrence of premature ejaculation. For men with premature ejaculation, it is recommended to go to the hospital for early treatment.