Premature ejaculation refers to the disharmony of sexual life and the inconsistent pace of men and women reaching orgasm, which is one of the common male sexual dysfunctions. In the past, it was called premature ejaculation when the woman did not reach orgasm during sexual intercourse, and some people set the criteria for diagnosing premature ejaculation on whether they can satisfy their wives to reach orgasm before ejaculation. At present, premature ejaculation in domestic male science refers to the short time of sexual intercourse that is ejaculation, some penis has not yet contact with the woman, or just shortly after contact (generally refers to less than 2 minutes) that ejaculation, ejaculation after the penis weakness can not maintain a normal sexual life. Generally speaking, the time from the beginning of normal sexual life to ejaculation varies with age and individual physique. The first time a newlywed couple has sex, ejaculation is likely to occur just after the penis enters the vagina due to high sympathetic excitement, and this situation cannot be diagnosed as premature ejaculation. Therefore, the concept of premature ejaculation should be immediately comprehensive, not out of context, delusional definition, otherwise it is self-seeking trouble, if the body is not well, you can consult the relevant experts to dispel doubts, so that your life a more sunny and happy.