There are many causes of lumbar pain, if it is caused by lumbar muscle strain, lumbar disc herniation, lumbar small joint disorder, etc., physical therapy can effectively relieve the pain, commonly used audio ion introduction, low and medium frequency pulsed electricity, ultrasound, ultrasonic, ultra-short-wave, microwave, infrared, laser, wax therapy, magnetic therapy, etc., which can promote blood circulation, anti-inflammatory and analgesic, and loosen the adhesion. Compared with painkillers, physiotherapy has no gastrointestinal reaction and no toxic side effects on liver and kidney. If urinary tract infection, acute abdomen, gynecological emergencies caused by low back pain should be the first specialist consultation, the patient’s condition is stable after the corresponding physical therapy can be given.