It is one of the five internal organs. The triple energizer is the largest viscera of the human body, nominally, and its upper energizer is above the diaphragm, including the heart and lungs. Subphrenic and supraumbilical lesions are intermediate lesions, including spleen and stomach.
Below the umbilicus is the lower coke, including the liver and kidney. The specific function of Sanjiao is to preside over qi and take charge of the human body's gasification activities (primordial qi is the driving force to organize gasification activities, and the passage of Sanjiao primordial qi is related to the normal operation of the whole body's gasification function); It is the passage for human body to run water and liquid.
The main function of Sanjiao is to transport natural gas and water.