San Jiao

San Jiao ("triple burner", or "triple energizer", or "triple heater") is a concept in traditional Chinese medicine (TCM) and acupuncture. It is the sixth organ of Fu, which is the hollow space inside the trunk of the body. In TCM, there are five solid organs and each solid organ has its counterpart in a hollow organ. For instance, the heart is considered a solid organ, and the small intestine its hollow counterpart, or Fu organ. San Jiao is believed to be a body cavity of some kind which has the ability to influence other organs, and overall health, mainly through the free movement of Qi, the fundamental energy or life force on the microcosm and on the macrocosm it is associated with the interactions between The Heavens, humans and earth.

San Jiao means "triple burner". The upper burner relates to organs the Heart, lungs in the thorax and the breathing function therefore relates to Heaven. The middle burner relates to the organs top of the stomach, the spleen, liver and the digesting function, therefore belongs to Human. The lower burner relates to the organs below the abdomen, Kidneys, Bladder and the urogenital functions, therefore belongs to Earth. If the triple burner function well, then the organs are in harmony. According to traditional Chinese medicine, the triple burner is essential in transporting fluids throughout the body, removing itching and heat, treating swellings, and overcoming problems with various organs.