One minute of sex may be premature ejaculation, or it may be caused by physiological reasons, depending on the specific situation. The general definition of premature ejaculation is that ejaculation almost always occurs within one minute or less before or after the insertion of the penis into the vagina at the beginning of the first sexual intercourse, or the ejaculation latency time drops to three minutes or less. Therefore, if ejaculation occurs within one minute on a consistent basis, it may be premature ejaculation. However, if there is only occasional ejaculation within one minute, it may be related to physiological factors. For example, too much tension, anxiety, fear and anxiety during sex, or too fast ejaculation caused by not having sex for a long time, or the body is too tired due to work. All of these are normal phenomena, generally does not belong to premature ejaculation. It is recommended to make a comprehensive judgment according to their own specific situation, pay attention to calm the mind, to combine work and rest, do not be too tired. If the situation of rapid ejaculation exists for a long time, it should be treated in time.