The most common clinical causes of back tingling are the following: a. Herpes zoster, which is a viral infection of the skin that causes strips of herpes zoster-like changes in the skin. Patients need active antiviral treatment in the early stage, otherwise chronic pain of the nerves will form repeatedly in the later stage. Second, epidermis-like cysts with infection, for epidermis-like cysts, once accompanied by the formation of purulent infection, the local tension of the abscess will be greater, causing tingling discomfort in the patient’s back, and some patients with serious infection, and even fever performance. It is recommended that the patient be operated as soon as possible to cut open the abscess and drainage treatment. Third, lumbar disc protrusion, for the protruding lumbar disc compression to the spinal nerve, will cause the patient back tingling double lower limbs numbness symptoms, it is recommended that the patient improve the lumbar magnetic resonance, to assess the need for surgical treatment.