Back close to the right side of the waist a little hidden pain may be muscle spasm or overwork and other physiological causes, but also need to beware of trauma, local fasciitis, lumbar degenerative diseases, urinary system diseases and other diseases. 1. Muscle spasm or overwork: due to excessive exercise or incorrect posture caused by the patient’s local muscle spasm or metabolite accumulation, the patient may appear back near the lumbar right a little hidden pain. 2. Trauma: Trauma caused by local bone micro-injury or soft tissue injury, patients may also appear back near the right side of the waist a little hidden pain. 3. Local fasciitis: patients with aseptic inflammation of the local fascia and other tissues due to long-term strain injury may have hidden pain in the right side of the back near the lumbar region. 4. Lumbar degenerative diseases: commonly seen in lumbar intervertebral disc herniation, lumbar spinal stenosis and other diseases, stimulation or compression of the paravertebral nerves, the patient may appear in the back close to the lumbar right a little hidden pain. 5. Urological diseases: common in the urinary system infections such as glomerulonephritis, urinary stones such as kidney stones, ureteral stones, etc., the patient may appear in the back close to the lumbar right a little hidden pain. If the back close to the right side of the waist a little pain is not relieved, or accompanied by other symptoms, you should go to the hospital in time to see a doctor, clear reasons to give targeted treatment.