Pain on the right side of the back can be caused by periarthritis, which is related to strain or weight bearing. If the pain is severe, you can take oral pain medication and apply Nimesulide dispersible tablets. Some patients are caused by liver disease, the common one is viral hepatitis, especially with a long medical history, the patient will usually have pain and soreness in the back of the right quarter rib area, and the symptoms will be aggravated after eating fatty foods or overeating. The patient should pay attention to the general treatment, reasonable diet, eat less and more meals, eat more light food, coarse fiber food, stay away from the environment of smoking and alcohol, and if there is obvious abnormal liver function and increased transaminases, the patient should be treated systematically.