Sanjiao is a unique name in the theory of Tibetan images. It is a combination of upper jiao, middle jiao and lower jiao, and it is one of the six fu-organs. It belongs to the largest fu-organs, also known as external fu-organs and solitary fu-organs. The main ascending and descending qi and flowing water belong to fire in the five elements, and their yin and yang properties are yang. Sanjiao has no exact specific organ corresponding to it. The cavity between the body and the viscera, including the chest and abdominal cavity, is a big viscera.
Matters needing attention and main points of three communications with Beijing:
In terms of diet, it is recommended to eat more pasta. In addition, herbs such as radish seed, hawthorn, oat, millet, buckwheat and radish seed can be eaten to strengthen the spleen and nourish the stomach, which is helpful to promote the digestion of accumulated food in the middle coke, penetrate into the upper, middle and lower coke and maintain the harmony between qi and blood. The first type of body-building exercises "supporting the sky and relaxing the bones and muscles with both hands" originated from the "supporting the sky and adjusting the triple energizer with both hands" in the eight-paragraph brocade of health qigong. Doing this action often helps to adjust the triple focus.
Beating the triple energizer meridian will eliminate all diseases. Before going to bed, it is the best time to beat the triple energizer meridians. Take a standing or sitting position, and extend your right arm to the left, so that your right hand is just above and below your left waist. Then, use the palm of your left hand to beat from the shoulder of your right arm along the circular position of the triple energizer meridian outside your right arm from top to bottom until you reach your wrist.
Reference to the above content: Baidu Encyclopedia-Three Teaching Classics