Meridian is the general name of meridian, which means that qi and blood run through the whole body. Meridian is a theory gradually discovered and formed by the ancients in long-term health care and medical practice. It is a comprehensive system with the Yang Meridian of Yin San and Ren Du Meridian as the main body, and the network is all over the body. It connects the five internal organs, facial features and limbs, communicates with the inside and outside, up and down, inside and outside, and connects all parts of the human body into an organic whole, which is inseparable from the yin and yang attributes of nature. It not only guides the clinical practice of various branches of traditional Chinese medicine, but also is an important basis for human health care. Meridian still plays a great role in health care and conditioning,