Hidden pain in the right side of the stomach under the ribs may be caused by liver disease, gallbladder disease, costochondritis and other diseases. 1. Liver diseases: such as viral hepatitis, cirrhosis and other diseases, the liver part of the damage, it is easy to appear the right side of the ribs under the pain. 2. Gallbladder diseases: such as acute cholecystitis, gallbladder stones, gallbladder tumors and other diseases, the patient mainly manifests as persistent drilling pain in the right lower abdomen, hidden pain, accompanied by nausea, vomiting, acid reflux and other gastrointestinal symptoms. 3. Costal chondritis: the pain is in the arch of the rib cage and near the cartilage of the sternum, and the patient will have right subcostal pain, and the pain will be aggravated by pressing during activities. It is recommended that patients with right subcostal stomach pain go to the hospital in time to avoid delaying the condition.