After doing cunnilingus there will be a hidden pain in the abdomen, first of all, on the one hand, because women in the cunnilingus, due to their own mental too much tension, excessive concentration and triggered by a kind of abdominal discomfort, in the short term will be relieved, and secondly, due to the lack of disinfection of the medical equipment, resulting in abdominal infections caused by phenomena that lead to inflammation of the cervix, vulvar itching and other phenomena, which may trigger the feeling of a hidden pain in the abdomen. The feeling of hidden pain. If the pain persists for a long time and is accompanied by irregular vaginal bleeding and other symptoms, it is recommended to go to the hospital for an ultrasound examination of the abdomen, to determine in a reasonable way, and then adopt a reasonable way of treatment.