Clinically, there is no exact standard for the duration of sex life of Chinese men, and the average duration is between 5 minutes and 30 minutes in most cases. There are individualized differences in men’s sex life time, and the sex life time of the same person in different states can also be different. Most of the normal male sex life duration is between 5 minutes and 30 minutes. If the duration of sexual intercourse lasts less than 2 minutes over a longer period of time, it can be considered premature ejaculation. Premature ejaculation can be caused by over-sensitization of the glans and easy excitation of the nerves in the penis, which can have a very important impact on the quality of a man’s sex life. There is no specific standard for the duration of sexual life, as long as both husband and wife feel satisfied, it is considered a successful sexual life. If the patient’s sex life time is too short, it is recommended to go to the hospital in time for examination and treatment under the guidance of the doctor, do not blindly use medication, so as not to cause adverse effects.