Ejaculation in a few strokes is referred to as premature ejaculation, which is mainly due to physiological and pathological reasons. Physiological reasons include nervousness, first time sex, anxiety, etc.. Pathological reasons include inflammation and infection, long foreskin, glans is too sensitive and so on. 1. Physiological: patients in the sexual life, more nervous as well as not confident or in the first time sex, sexual life experience is not enough, will cause patients to appear premature ejaculation. In addition, anxiety, lack of physical strength and other reasons, may also lead to premature ejaculation symptoms. 2. Pathology: It may be caused by inflammatory infections, such as glansitis and prostatitis. It may be long-term masturbation, resulting in increased sensitivity can cause premature ejaculation, which leads to the phenomenon of rapid ejaculation. Men have frequent masturbation or too frequent sex before, which may damage the patient’s penis, leading to the emergence of rapid ejaculation. Rapid ejaculation can also be caused by other reasons. If physiological factors are ruled out, it is recommended to consult a professional doctor in time for a relevant examination and treatment under the doctor’s guidance.