The hidden pain on both sides of the abdomen is common in the following cases: First, lactic acid accumulation, when too strenuous exercise, a large amount of sugar in the body in the metabolic process of lactic acid can not be metabolized in a timely manner, the accumulation in the muscle will cause pain, you can drink more warm water, local hot compresses, massage to speed up the metabolic rate, relieve pain. Second, soft tissue injury, common in strains or bump, the local can be appropriate hot compress, reduce the activity can be alleviated. When the intestinal canal is not open due to the accumulation of stool or other reasons, the intestinal canal wall will be stretched to cause hidden pain, which needs to go to the hospital for examination to clarify. Fourth, other factors, such as bilateral ureteral dilatation, retroperitoneal masses, etc.. In short, if the abdominal pain persists, you need to go to the hospital in time to prevent delaying the disease.