Always feel full of discomfort in the lumbar region, the common causes are the following: First, lumbar muscle strain. The patient’s lumbar muscle has a brain injury, there will be long-term localized chronic sterile inflammation, inflammatory irritation will produce swelling and discomfort. Second, visible in the lumbar spine diseases, such as lumbar instability, lumbar degeneration and hyperplasia, ankylosing spondylitis, lumbar disc herniation, etc., will lead to the corresponding symptoms in the lumbar region, will also appear lumbar swelling discomfort. Thirdly, it can be seen in internal system diseases, such as urinary system diseases, when there are urinary stones, urinary tract infections and other conditions that are not very serious, there will be corresponding lumbar swelling discomfort, and if there is an aggravation of the situation, there will be severe pain. If the patient has this feeling for a long time, it is recommended to go to the hospital for detailed examination and active treatment after a clear diagnosis.