Soreness in the back may be caused by spinal disorders, digestive disorders, back fasciitis and other reasons. 1. Spinal diseases: such as cervical spine disc herniation compressing the nerve root, which can lead to the symptoms of soreness in the back area innervated by the nerve root. 2. Digestive system diseases: such as reflux esophagitis, due to the contents mixed with stomach acid flow back into the esophagus, may also cause back pain. 3. Fasciitis of the back: aseptic inflammation is induced by long-term strain, cold and other factors, and soreness occurs under the action of inflammatory factors. People with back pain should go to regular hospitals in time to clarify the cause of the disease and carry out standardized treatment under the guidance of doctors to avoid delaying the condition.