The twelve meridians was passed down from one meridian to another through the connection of the external and internal meridians of the hands and feet, which constituted an endless and endless transmission and injection system. Through meridians, qi and blood can enter the viscera and reach the muscle surface to operate the whole body.

I. the twelve meridians includes:

Three Yin Meridians of Hand: Lung Meridians of Hand Taiyin, Heart Meridians of Hand Shaoyin and Pericardium Meridians of Hand Jueyin.

Hand Sanyang Meridian: Hand Yangming Large Intestine Meridian, Hand Taiyang Small Intestine Meridian and Hand Shaoyang Sanjiao Meridian.

Foot Three Yang Meridians: Foot Yangming Stomach Meridians, Foot Taiyang Bladder Meridians and Foot Shaoyang Gallbladder Meridians.

Three Yin Meridians of Foot: Spleen Meridians of Foot Taiyin, Kidney Meridians of Foot Shaoyin and Liver Meridians of Foot Jueyin.

Second, the flow order is:

From the lung meridian of hand Taiyin to the large intestine meridian of hand Yangming, stomach meridian of foot Yangming, spleen meridian of foot Taiyin, heart meridian of hand Shaoyin, small intestine meridian of hand Taiyang, kidney meridian of foot Shaoyin, pericardium meridian of hand Jueyin, triple energizer meridian of hand Shaoyang, gallbladder meridian of foot Shaoyang, liver meridian of foot Jueyin, and then back to lung meridian of hand Taiyin.

Three, its trend and handover law is:

The third yin meridian of the hand walks from the chest and meets the third yang meridian at the end of the finger; The three yang meridians of the hand start from the hand and cross the three yang meridians on the head and face; The third yang meridian of the foot starts from the beginning and crosses the third yin meridian at the end of the toe; The third yin meridian of the foot moves from the foot to the abdomen and meets the third yin meridian in the chest and abdomen.

Extended data:

A, the twelve meridians's exterior-interior relationship is:

Three yin and three yang of hands and feet communicate with each other through meridians and collaterals, forming six pairs of "exterior-interior harmony" relationship. Among them, foot sun and foot shaoyin are exterior and interior, foot shaoyang and foot jueyin are exterior and interior, and foot Yangming and foot Taiyin are exterior and interior. Hand sun and hand shaoyin are exterior and interior, hand shaoyang and hand jueyin are exterior and interior, and hand Yangming and hand Taiyin are exterior and interior.

Second, the significance

The twelve meridians has the functions of activating qi and blood, connecting the inside and outside of zang-fu organs, communicating up and down, etc., and it will cause pathological changes of channels and collaterals regardless of exogenous pathogens or dysfunction of zang-fu organs. Therefore, understanding the circulation, function and incidence of the twelve meridians is of great significance for disease prevention and treatment.

Baidu Encyclopedia: the twelve meridians