At present, the definition of premature ejaculation is not completely unified, usually divided into primary premature ejaculation and secondary premature ejaculation, the provisions of sexual life time will also be different. 1. Primary premature ejaculation. The patient from the first time to have sex, every time to have sex, the penis has not been inserted into the vagina or penis inserted into the vagina within 2 minutes, ejaculation occurs, it is called primary premature ejaculation. 2. Secondary premature ejaculation. The patient in the case of premature ejaculation, sexual function is normal, but due to a variety of factors, such as emotional tension, resulting in sexual life, the penis into the vagina after ejaculation time is significantly shorter, often less than three minutes, belong to the secondary premature ejaculation. When the patient appears related symptoms, need to go to the hospital in time, follow the doctor’s guidance for treatment.