Lumbar cold pain can be caused by lumbar gluteal myofasciitis, lumbar intervertebral disc herniation, rheumatic lesions and other causes. 1. Lumbar gluteal myofasciitis: the lumbar muscles maintain a posture for a long time, chronic strain and cold stimulation and other factors can cause local aseptic inflammation, stimulated by inflammation, can be in the lumbar back pain, soreness and swelling accompanied by cold and other manifestations. 2. Lumbar disc herniation: Lumbar disc herniation can lead to nerve and nerve root compression in the spinal canal, which can lead to localized nerve compression in the lumbar region, lumbar pain, fatigue, and coldness in the lumbar region after the blood supply is affected. 3. Rheumatic lesions: Rheumatic diseases caused by immune factors and genetic factors can involve the muscles and joints of the lower back, which can lead to numbness, fatigue, pain, coldness and other uncomfortable symptoms in the lower back. When cold pain in the lower back should be timely medical treatment, under the guidance of specialists to actively carry out appropriate treatment, will help to improve the cold pain in the lower back and other uncomfortable symptoms as soon as possible.