Belly a pinch on the pain may be caused by normal physiological phenomena, trauma, benign skin tumors and other factors. 1. Normal physiological phenomenon: if the pinch of the belly is too strong, or pinch the belly before doing excessive abdominal exercise, may lead to a pinch of the belly on the pain, generally do not need to worry too much about it, no need for treatment. 2. Trauma: If the abdomen has trauma, and the pinch part of the injury site, there will be a pinch on the problem, there is no need to be overly anxious, treatment of trauma can be. 3. benign skin tumors: if there are benign skin tumors, such as fibroids, lipomas, sebaceous adenomas, etc., there will be a pinch of pain in the belly, it is recommended that timely medical treatment. Causes belly a pinch on the pain of more factors, in the exclusion of physiological reasons, should go to the hospital in time to identify the cause of the disease, and under the guidance of the doctor reasonable treatment.