The right side of the back pain may have the following causes: first, intercostal neuralgia, if there is pain in the back where the intercostal nerve travels, often stabbing, vague or radiating pain, this is intercostal neuralgia, and tests should be done to rule out other diseases for diagnosis. Second, herpes zoster, in the early stages of herpes zoster can appear on one side of the back pain, in the incubation period of 1-2 weeks after the emergence of clusters of herpes, then it is necessary to carry out dermatological consultation and treatment. Third, rib disease, when a tumor or metastasis in the rib cage appears, pain in the rib cage on the right side of the back can occur, and CT and ECT examinations of the rib cage should be performed for diagnosis and treatment. Fourth, lung diseases, when there is a tumor, inflammation or tuberculosis in the lung, pain in the right side of the back can also occur, and CT examination of the lung should be performed for diagnosis.