Drinking beer before sex generally does not extend the time, a few people may drink alcohol after sex a little longer. Drinking beer before sex generally will not prolong the sex life time, will not enhance sexual desire. Of course, there are a small number of people, after drinking sex will be a little longer, which is related to the individual physique. And part of the population under alcohol anesthesia may appear dizziness, drowsiness, general weakness and other symptoms, which will have an impact on sex life. If the sexual life time continues to be relatively short, should be alert to premature ejaculation, can follow the doctor’s instructions to use local anesthetic, such as lidocaine external coating of the glans to control the sensitivity of the glans, so as to achieve the purpose of delayed ejaculation. If the usual sexual life is not harmonious, sexual life time is relatively short, it is recommended to consult a doctor as soon as possible, and then through the relevant examination to analyze whether the premature ejaculation, combined with the diagnosis of the results of targeted treatment.