The lumbar discomfort has an indescribable feeling, which is mainly considered to be related to localized cold, myofascial lesions, lumbar spine structure changes and other factors. 1. Local cold: lumbar vertebrae parts if long-term exposure to cold stimuli affect local blood circulation, easy to produce lumbar difficult feeling, generally appropriate hot compresses after the symptoms will be relieved. 2. Myofascial lesions: such as lumbar muscle strain or lumbar myofasciitis, mostly due to frequent weight-bearing activities, sedentary standing or poor posture and other chronic strain triggered by the problem, which triggered the lumbar hard to say that there is no feeling, the serious cases can be obvious lumbar pain. 3. Lumbar spine structure changes: such as the occurrence of lumbar spine structure changes, such as degenerative diseases or lumbar disc herniation, etc., easy to compress the lumbar spine around the tissue, thus producing lumbar hard to tell the feeling, serious cases can appear nerve root compression symptoms, causing back pain and leg pain symptoms. Lumbar pain with an indescribable feeling may also be due to other reasons, such as long time does not relieve the patient is recommended to consult a doctor in a timely manner to check, clear the cause of the disease after targeted treatment. Usually should pay attention to keep warm and prevent cold, avoid overwork, as far as possible to reduce the load on the lumbar spine.