Injections in the waist, the following are common: 1, anesthesia: clinically, it is usually performed intra-vertebral anesthesia, such as subarachnoid anesthesia, epidural anesthesia, etc., which requires injections in the waist. 2, orthopedic treatment: some patients with orthopedic diseases, which may be treated by small needles or closed treatment, need to be injected in the waist. 3, injection of drugs: some drugs injected in the subcutaneous waist, such as Patients with anemia, can be injected with erythropoietin, or patients with diabetes, can be injected with ordinary insulin under the skin, etc. Injections on the waist also need to be based on the specific disease to make a specific judgment, to make an exact diagnosis before considering the specific medication.