Premature ejaculation is treated according to its causes, which mainly include psychological causes or diseases induced by prostatitis. The treatment includes psychological-behavioral training method or application of lidocaine. 1. If the premature ejaculation is caused by psychological reasons, the psychological-behavioral training method is used, which is to work closely with the patient’s wife, aiming to make the patient change his own misconceptions about sex, and restore his self-confidence in sex. 2. If the premature ejaculation is caused by prostatitis, the first thing to do is to treat the prostatitis, the treatment includes bed rest, drink more water, apply antibacterial drugs such as amoxicillin and so on. On the basis of the treatment of the primary disease, in the glans local application of lidocaine and other drugs such as sprays or oral dapoxetine, etc., more can prolong the ejaculation time. For premature ejaculation, once found should immediately go to the hospital for formal diagnosis and treatment, standardized treatment under the guidance of doctors. The above drugs need to be used under the guidance of a professional physician, to avoid blind use of drugs, so as not to aggravate the condition.