"Keeping health first, raising legs and feet" is a summary of Professor Liu Changxin's experience in leg therapy in Dongzhimen Hospital of Beijing University of Chinese Medicine for more than 20 years. Leg therapy is a safe, simple and effective Chinese medicine therapy. There are more than 60 acupoints on the calf and nearly 70 reflex zones on the foot. Massage these acupoints and reflex zones, just like massaging internal organs. Bathing these acupoints and reflex zones with drugs is just like bathing internal organs. Drugs can directly enter the body through legs and feet, which can avoid the harm of its toxic and side effects to the body.