It may be a normal phenomenon for women to have bloated stomach after each intercourse, because the uterus and pelvic cavity are stimulated during intercourse, resulting in congestion in the uterus and pelvic cavity, thus causing the patient to feel bloated. It is also possible that the woman herself has chronic pelvic inflammatory disease, and after sex, the symptoms of pelvic congestion will increase, so the patient will also experience the symptoms of bloating. If a woman has chronic cervicitis, such as cervical polyps, cervical erosion and other diseases, the process of intercourse will stimulate the cervix, resulting in increased cervical congestion, thus causing the patient to have symptoms of bloating after sex, and the patient will also be accompanied by increased leucorrhea, vulvar itching and odor of the leucorrhea and other symptoms, it is recommended that patients go to the hospital for ultrasound and cervical examination to clarify the cause, and then for treatment.