According to the doctor's inquiry, Li Duoduo is the chief physician, associate professor and master tutor of the Department of Massage Pain in Dongzhimen Hospital of Beijing University of Chinese Medicine. He is good at the diagnosis and treatment of lumbar spinal stenosis and cauda equina nerve injury after lumbar surgery, and is good at treating acute and chronic low back pain, lumbar spinal stenosis and lumbar disc herniation with acupuncture and soft tissue release of traditional Chinese medicine and traditional Chinese medicine.