There are 12 meridians in human body, namely: gallbladder, small intestine, lung, bladder, kidney, pericardium, triple energizer, spleen, heart, large intestine and stomach. Among them, the main symptom of lung meridian of hand-sun is the disease caused by lung. When you have lung diseases, you can choose acupuncture points on the lung meridian of the Taiyin hand for acupuncture treatment. The twelve meridians is connected with each other, connecting the five internal organs of the human body, and communicating diseases on the body surface. It is a bridge of human organs and delivers nutrients that the human body needs every day. If you need health care, you can often knead the acupoints corresponding to the meridians every day, which can play a role in health care and improve immunity.