After coitus exhaust can be divided into two types of intestinal exhaust, vaginal exhaust, the cause is not the same, corresponding to the treatment is slightly different, such as discomfort symptoms or clearly caused by inflammation, need to consult a doctor in time. First, intestinal exhaust 1, stimulate uterine contractions: usually due to the process of coitus stimulate uterine contractions, resulting in increased peristalsis of the gastrointestinal tract, prompting the discharge of gas in the intestinal tract; 2, gastrointestinal tract digestion: in coitus consume the body’s energy, the gastrointestinal tract digestion will also cause intestinal peristalsis and lead to exhaust. Second, the vaginal exhaust 1, vaginal laxity: mainly seen in women after delivery, accompanied by uterine prolapse, bladder distension, rectal distension of the posterior wall of the vagina and so on. This kind of people vagina before and after the wall is more loose, can not be close to fit, in the process of coitus external gas from the gap into the vagina, when the abdomen is pressurized will make the gas intermittent discharge from the vagina, and vibration of the vagina to make a sound, known as the vagina blowing. Postpartum through the pelvic floor muscle recovery treatment, do more anal exercises, vaginal contraction exercises, can gradually improve the symptoms of postcoital exhaust; 2, gynecological infectious diseases: if due to bacterial infections leading to vaginitis, so that a large number of bacteria in the vagina to reproduce, produce gas accumulates in the vagina, coitus abdominal pressure, the gas can be discharged from the vagina, it is recommended that the gynecological to find out the infectious agent in a timely manner to the symptomatic treatment; 3, vaginal Congenital diseases: some women have congenital vaginal diseases, such as congenital rectovaginal fistula, congenital vaginal dysplasia, etc., which may lead to the existence of a large space in the vagina, when intercourse, easy to produce gas into and out of. It is recommended that you can seek timely medical treatment and under the guidance of the doctor for surgical treatment.