Masturbation refers to masturbation in medicine, and short masturbation time may be related to frequent masturbation, or it may be caused by diseases such as premature ejaculation. 1. Frequent masturbation: If you masturbate frequently in your daily life, you may put your penis in a state of fatigue, which may also lead to extreme sensitivity of the glans, resulting in premature ejaculation. In addition, if frequent masturbation, will lead to the brain sexual excitement threshold changes, the emergence of masturbation time is short. 2. Premature ejaculation: Premature ejaculation is a common male sexual dysfunction disease, the cause of which may be related to changes in hormone levels, genetic factors and other reasons. The main performance is that the ejaculation time becomes shorter, losing the ability to control ejaculation and so on. In daily life, we should maintain a healthy lifestyle, avoid staying up late, ensure sufficient sleep and pleasant mood, and at the same time, we can carry out appropriate physical exercise, which can improve the quality of health and enhance the body’s immunity. If the situation of short masturbation time, it is recommended to reduce the frequency of masturbation in daily life, if the symptoms are not relieved, it is recommended to go to the regular hospital, to clarify the cause of the disease, under the guidance of the doctor treatment.