This year 66 years old after coitus small stomach pain may be due to the symptoms caused by sexual intercourse strenuous, or cervicitis, pelvic inflammatory disease and other pathological factors, need to be specifically analyzed. 1. non-pathological factors: generally speaking, pain in the abdomen after intercourse may be caused by non-pathological factors, such as the physiological structure of women, men exerting too much force during intercourse, etc., resulting in local congestion, which may cause pain in the abdomen after intercourse, and it can be relieved by itself after resting. 2. Pathological factors: on the other hand, pain in the abdomen after intercourse may also be caused by pathological factors, such as cervicitis, pelvic inflammatory disease, adnexitis and other gynecological inflammation, usually after intercourse, obvious pain in the abdomen, need to pay attention to. Pain in the abdomen after intercourse may also be other reasons, if the pain symptoms continue to be unable to relieve, you should go to the hospital in time to identify the cause of the disease, standardized treatment, under the guidance of the doctor to use drugs, avoid unauthorized use of drugs.