How long to wear a waist protector, mainly with the patient’s disease and treatment modalities have a relationship with the longest not more than 3 months, otherwise easy to cause muscle atrophy, lumbar muscle weakness, the specific wearing time to follow the doctor’s instructions. Clinical common diseases and wear waist protection time is as follows: 1, acute lumbar sprain: need to wear 2 weeks, at the same time you can take oral medication, physical therapy, massage therapy; 2, lumbar strain: if the patient is due to lumbar strain needs to be treated conservatively, the waist protection may need to take 4-6 weeks of time, at the same time the patient can also be used to traction, physical therapy, massage, acupuncture, oral non-steroidal anti-inflammatory drugs for treatment; 3, Lumbar disc herniation: if the lumbar disc herniation did minimally invasive surgery, in this case the patient has to wear 1 month, if the symptoms are serious, may also need to extend the wearing time, about 6 weeks; 4, lumbar spinal stenosis, lumbar spondylolisthesis: if due to lumbar stenosis, lumbar spondylolisthesis of these relatively serious diseases, do an open internal fixation and fusion surgery, usually waist protector has to be worn for a period of 2-3 months. When to take off the lumbar support is related to the patient’s recovery, and imaging of the surgical site, including X-rays and CT, needs to be reviewed. If there is no obvious problem, usually can be removed in 2-3 months; 5, compression fracture: compression fracture did minimally invasive surgery, in this case the patient may need to wear a waist protector for 2-4 weeks.