1, the names of the twelve meridians are respectively the lung meridian of hand Taiyin, the large intestine meridian of hand Yangming, the stomach meridian of foot Yangming, the spleen meridian of foot Taiyin, the heart meridian of hand Shaoyin, the small intestine meridian of hand Taiyang, the bladder meridian of foot Taiyang, the kidney meridian of foot Shaoyin, the pericardium meridian of hand Jueyin, the triple energizer meridian of hand Shaoyang, the gallbladder meridian of foot Shaoyang and the liver meridian of foot Jueyin.

2. Contact the zang-fu organs and communicate inside and outside. The internal organs, limbs, facial features, nine orifices, flesh and blood and other tissues and organs of the human body can maintain relative coordination and unity, and rely on the communication of the meridian system to complete normal physiological activities. Pathogens and various stimuli felt on the body surface can be transmitted to viscera; The physiological dysfunction of zang-fu organs can also be reflected in the body surface.

3. Run blood and nourish the whole body. Meridian is the channel of qi and blood circulation in human body, which can transport nutrients to all tissues and organs of the whole body, nourish viscera and tissues, moisten bones and muscles and smooth joints.

4. resist evil spirits and defend your body. Qi Ying runs in the pulse, and Stephy runs outside the pulse. Wei-qi collaterals are abundant, all over the body and densely distributed in the skin. When foreign evil invades the body, Wei Qi bears the brunt of its barrier function of resisting foreign evil and defending the body.