Simple back pain can have the following reasons: first, herpes zoster, herpes zoster early back pain, in the incubation period of 1-2 weeks later, there can be groups of herpes, this time to the dermatology department for early diagnosis, early treatment. Second, intercostal neuralgia, intercostal neuralgia patients can have back pain in the intercostal nerve course, often hidden pain, stabbing pain or radiating pain, this time to early checkups, early diagnosis, early nutritional nerve as well as closed treatment. Thirdly, the disease of ribs, when there is tumor or metastasis in ribs, it can lead to the pain of ribs in the back, then we should check the CT and ECT of ribs to diagnose. Fourth, dermatoneuritis, dermatoneuritis patients can also have one side of the back pain, often for a palm size pain, dermatoneuritis innervation area can have tingling or hidden pain, this time to check the physical examination, early diagnosis, early nutritional nerve and physical therapy.