Pressing pain under the right rib cage may be caused by muscle injury, costochondritis or tiny injuries to the ribs, cholecystitis and other diseases. 1. Muscle injury: If the patient suffers a direct violent blow here, or does excessive activities, which leads to the relevant injury of the muscles of the right rib cage, there will be obvious pressure pain in this area. 2. Costochondritis or minor rib injuries: mainly due to costochondritis or minor rib injuries resulting in cracking of the ribs, obvious pain will occur when the ribs are pressed, and even deep breathing or laughing, frequent changes in body position may be accompanied by obvious pain in the right side of the ribs. 3. Cholecystitis: This kind of pain is located in the part where the arch of the rib and the rectus abdominis muscle intersect. When pressed, there is very obvious pain, which may cause the patient’s breathing to be restricted. If the pain under the right rib cage is severe, it is recommended that the patient go to the regular hospital for examination and treatment in time to avoid delaying the condition.