Cold and soreness in the lower back refers to the discomfort symptoms of coldness and soreness in the lower back, which may be caused by cold, lumbar disc herniation, osteophytes and other factors. 1. Cold: the lumbar region is stimulated by cold wind, which may lead to local vasoconstriction, spasm, there will be a lumbar cold, soreness and other uncomfortable symptoms, strengthen the warmth measures may gradually improve. 2. Lumbar intervertebral disc herniation: it may be related to the degeneration of lumbar vertebrae, accumulation of chronic injuries, acute trauma and other factors. After the intervertebral disc herniation, it may compress and stimulate the nerves, so that the nerves are compressed and the symptoms of lumbar coldness, soreness and pain will appear, which may be accompanied by numbness of the lower limbs as well as radiating pain in the lower limbs. 3. Osteomalacia: When there is osteophytes in the lumbar vertebrae area, it may cause irritation to the surrounding tissues, causing obvious edema, which will be more sensitive to cold stimuli, and the symptoms of lumbar coldness as well as soreness and swelling will appear. Coldness and soreness in the lumbar region, lasting for a long time, may be the existence of abnormal conditions, and it is recommended to seek medical examination and treatment.