Back pain is mainly considered to be related to myofascial lesions, lumbar spine lesions, internal organ lesions, or exertion and cold. 1. Myofascial lesions: If you have to bear weight for a long time and suffer from muscle strain or myofasciitis in the lower back, you will easily suffer from lower back pain. 2. Lesions of lumbar vertebrae: abnormal lesions of lumbar vertebrae, such as osteophytes, lumbar intervertebral disc herniation or lumbar spinal stenosis, etc., are prone to produce symptoms of back pain directly, and even numbness in the lower limbs. 3. Diseases of internal organs: when there are kidney problems, such as kidney stones, or intestinal tumors and gynecological diseases, such as pelvic inflammatory disease, it is easy to appear the symptoms of back pain. 4. Exhaustion and cold: usually if excessive stooping and weight-bearing labor, or the back of the long time cold, easy to directly trigger the symptoms of pain in the lower back, appropriate rest or hot compresses can alleviate the symptoms. If the pain persists for a long time, pay attention to rest, as soon as possible to consult a doctor for examination, after the cause of the disease is clear, under the guidance of the doctor targeted treatment.