Patients with dermatomal neuritis can experience hidden pain, tingling or numbness of the skin in the dermatomal nerve innervation area of the back. Secondly, intercostal neuralgia, patients with intercostal neuralgia can have hidden pain, stabbing pain or radiating pain at the intercostal nerve on one side of the back, which should be diagnosed by early physical examination, early nerve nutrition and closed treatment. Third, herpes zoster, in the early stage of herpes zoster can have hidden pain or stabbing pain in the back, after 1-2 weeks of incubation period can have clusters of herpes, then it is necessary to go to the dermatology department for early diagnosis and treatment.