He studied under Professor Ligong Xue who is known for his meridian-tendon diseases research at the Acupuncture Institute of the Chinese Academy of Sciences and the London Application Technology Research Institute. He has used meridian-tendon clinical research extensively, and has in-depth research and treatment experience in the mechanisms and treatment of pain, as well as muscle diseases. He also has rich clinical experience using acupuncture to many kinds of neurological disease, intervertebral disc herniation, diabetes and chronic pain. Dr. Allen Gao employs the specialties of TCM and combines them with more contemporary Western medicines and methods. He has excellent repute in the treatment of neurological and spinal diseases.