Primary premature ejaculation is a relatively common type of premature ejaculation in men. The main clinical symptom of primary premature ejaculation is that the patient experiences rapid ejaculation from the very beginning of sexual intercourse, usually with an ejaculation latency of less than 2 minutes. Due to the presence of premature ejaculation, it can have a great impact on the quality of men’s sexual life and usually requires active treatment. Primary premature ejaculation is mainly caused by penile nerve sensitivity, so the treatment can choose medication, commonly used drugs such as dapoxetine hydrochloride after oral administration can act on the central nerve to improve the central nervous system’s control over ejaculation, thus prolonging sex and achieving the purpose of treating premature ejaculation. In addition, you can also apply drugs with surface anesthetic effect on the glans mucosa before sex to reduce glans sensitivity, which can also prolong sex, commonly used drugs such as lidocaine cream.