Hidden pain inside the right side of the lower back can be considered to be caused by chronic strain injury, fasciitis, kidney disease, etc., should be taken for the cause of the drug treatment, physical therapy and other methods. 1. Chronic strain injury: chronic strain injury of lumbar muscles can be caused by long-term heavy physical strength or excessive exercise, more rest should be taken, and local diclofenac diethylamine cream can be used externally to alleviate the symptoms of pain, and local hot compresses, massage, ultrasound and other physical therapy to promote local blood circulation. 2. Fasciitis: long-term lumbar muscle strain can lead to fasciitis of the lumbar dorsal muscles, which can cause vague pain in the lumbar region, you can choose non-steroidal drugs such as ibuprofen orally or diclofenac diethylamide emulsion topical coating to relieve pain, but also infrared, microwave and other physiotherapy modalities. 3. Kidney disease: when the kidney has inflammation and tumor, in the early stage can also have a side of the waist pain, can be accompanied by a slight hematuria, proteinuria, this time to early medical examination such as renal ultrasound, CT, and urine laboratory tests to diagnose. Then give targeted treatment. The right side of the back inside the hidden pain may also have other causes, it is recommended that the patient timely medical examination, clear causes for targeted treatment.