A one-minute finish in coitus is usually premature ejaculation. Premature ejaculation is generally defined as uncontrolled ejaculation within a short period of time and can be caused by stress, over-excited nerves, and bad habits. 1. Stress: Emotional or mental stress anywhere in life can lead to premature ejaculation, thus limiting the patient’s ability to relax and concentrate during intercourse. 2. Nervous over-excitement: Newlyweds or couples who have been separated for a long time often lead to premature ejaculation and ejaculation during sexual intercourse due to excessive sympathetic nervousness and anxiety, which increases sexual excitement in the cerebral cortex. 3. Bad habits: for example, masturbation, due to frequent masturbation, the penis and glans are overly sensitive, and premature ejaculation will occur during sex.