Pain on both sides of the waist can be caused by a variety of reasons: 1, lumbar disc protrusion, the disc can protrude backward, compression of nerves or nerve roots in the spinal canal, resulting in pain symptoms in the waist, generally need to perform X-rays, CT and MRI to determine, when the disc protrusion is light, can be given physiotherapy, heat, baking electricity and other conservative treatment, if seriously affect the patient’s life, it is recommended to perform surgery for nerve release. 2, lumbar muscle strain. The lumbar region generally plays a major role in supporting and maintaining the lumbar region, which can cause aseptic inflammation of the lumbar muscles and lead to painful symptoms during prolonged exertion or when engaged in a certain job, and can be treated with physiotherapy, hot compresses, baking electricity, acupuncture and other conservative methods.