Lidocaine gel has a therapeutic effect on the symptoms of premature ejaculation caused by hypersensitivity of the glans, and it can play a role in delaying the time, but it can not treat all premature ejaculation. There are many factors that can cause premature ejaculation in men, such as age, length of abstinence, physical condition, mood, diabetes, cardiovascular disease, and genitourinary diseases, such as urethritis, prostatitis, seminal vesiculitis, and prostatic hyperplasia, all of which can cause premature ejaculation. Therefore, encountering premature ejaculation should go to the hospital in time to find the cause, it is not recommended to use medication without authorization. The active ingredient of lidocaine gel is lidocaine, which has the effect of local anesthesia and can reduce the excitement of sexual nerves to achieve the purpose of prolonging time. However, it may also reduce sexual pleasure at the same time, and this drug can not cure premature ejaculation, frequent use will also reduce the effectiveness of the drug. Therefore, it is recommended to use it under professional guidance.