The spleen (Yin) and the stomach (Yang) are paired organs. They belong to Earth in the Five Phases, the central direction, the season of long summer (the end of summer), the climactic condition of dampness, the color yellow, the emotion of pensiveness, the taste of sweetness, fragrant odor and the sound of singing. Their opening is the mouth and they control the flesh and the limbs.
The Yin/Yang relationship between the spleen and the stomach is a particularly strong example of the relationship between organs. The stomach receives food while the spleen transports nutrients. The stomach moves things downward while the spleen moves things upward. The stomach likes dampness while the spleen likes dryness.
Though there are some patterns relating to Deficiency of the Stomach (many of these originate in the spleen), most stomach disorders are caused from excess. Stomach Fire gives a painful, burning sensation in the stomach, unusual hunger, bleeding of the gums, constipation, and halitosis.
The stomach, which is located in the middle Sanjiao (Middle Triple Burner) area, is the first step in converting food into Qi. Food is dissolved in the stomach before being sent to the intestines for absorbing. The absorbed essence is then converted into Qi and circulated through the entire body. Click to learn how Chinese medicine treats Frozen Shoulder.
The stomach is related to the emotion of pensiveness. When you are upset, the stomach will not function normally. In Qigong, regulating the mind is the first step to maintaining the stomach in a healthy condition. What food you eat is the second consideration. The proper amount and the proper quality of food will help you to obtain high quality Qi to circulate in your body.