There are several possible causes of right-sided back pain: first, lumbar muscle strain, if long-term strain with the right side of the waist, then there can be chronic muscle damage and lead to right-sided back pain. Second, acute lumbar sprain, if there is an acute lumbar sprain, it can also lead to right-sided lumbar pain. Third, the early stage of herpes zoster, herpes zoster can appear in the early stage of one side of the back pain, after the incubation period can appear herpes, then to the dermatology department for diagnosis and treatment. Fourth, intercostal neuralgia, intercostal neuralgia can appear on one side of the waist intercostal nerve chronic pain, often radiation-like or pinprick-like pain. Fifth, kidney disease, when the kidney tumor, inflammation, cysts or stones, it can appear one side of the back pain. In this case, ultrasound, CT, MRI and urine tests of the kidney should be performed for diagnosis and treatment.