Bending back pain is commonly caused by dorsal fasciitis, lumbar disc herniation, lumbar muscle strain, etc. According to the condition, you can take rest, physiotherapy and other treatments. 1. Dorsal fasciitis: If caused by exertion, cold, it is recommended to take proper rest, avoid strenuous exercise, hot compresses or baked electricity, etc., to improve local blood circulation and reduce local inflammation. Or apply anti-inflammatory pain relief ointment can make the muscles and fascia relax, is conducive to relieving symptoms. 2. Herniated lumbar disc: As the disc bears the weight of the trunk and upper limbs, it is prone to strain and degeneration in daily life and labor. If there are no other symptoms, non-surgical treatment is recommended, including bed rest, wearing a waist cuff and gradually moving down to the ground or pelvic traction. Those with severe symptoms and obvious nerve involvement can be treated with surgery. 3. Lumbar muscle strain: caused by gravity labor or strenuous exercise. It is recommended to rest in bed, massage the affected area, hot compresses and other treatments to alleviate the symptoms, usually pay attention to correcting bad habits of life, work, and strengthen the exercise of the muscles of the lower back. Bending back pain may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.