The causes of premature ejaculation are mostly related to psychological and biological factors, and conventional treatments include medication, surgery and psychotherapy. Commonly used therapeutic drugs such as lidocaine and other local anesthetic drugs, dapoxetine and other 5-hydroxytryptamine reuptake inhibitors. 1. drug treatment: including local anesthetic drugs, 5-hydroxytryptamine reuptake inhibitors, etc. (1) local anesthetic drugs: can be used on the surface of the penis, such as lidocaine, but the person or his or her sexual partner is allergic to the anesthetic drug, then absolutely prohibited. (2) 5-hydroxytryptamine reuptake inhibitors: for example, dapoxetine, etc., can delay ejaculation, premature ejaculation has a certain effect. 2. Psychotherapy: It is mainly used to help patients with premature ejaculation caused by emotional stimulation. It enables them to have a correct understanding of sexual life, enhance their confidence in sexual life, eliminate tension and anxiety, and improve communication with their partners. 3. Surgical treatment: mainly refers to the selective cutting of the dorsal penile nerve, which is a supplementary treatment for those who are not effective in psychological or behavioral treatment or drug treatment. When the symptoms of premature ejaculation appear, you should seek medical treatment in time, under the guidance of the doctor according to the cause of the correct treatment, drugs should be applied under the guidance of the doctor.