Gastric plumpness, also known as fullness, refers to the upper abdomen near the heart fossa, fullness, stuffiness, aggravation after eating, or both bloating and pain and other symptoms of the main evidence, and its clinical manifestations and chronic atrophic gastritis is very close. The first evidence of fullness is found in the Nei Jing, and is known as Wu, fullness, stuffiness, and diaphragm. The identification of the disease of fullness is quite clear. The Qing dynasty medical doctors gathered the discussion and experience of previous sages and combined their own practice to make a more systematic summary of the identification and treatment of fullness. For example, Li with the essence of the “evidence and treatment of Huipu full” said: “the treatment of this disease, the initial desirable to soothe the phlegm to lower fire, long solid gas with other drugs; phlegm treatment of phlegm, fire to clear fire, depression is both.” From the above, it can be seen that the literature of ancestral medicine has been quite detailed in the discussion of the chronic atrophic gastritis, which has been richly documented in many aspects of the etiology of the disease, symptomatology, differentiation and treatment prescriptions, which still effectively guide clinical practice. The cause and mechanism of chronic atrophic gastritis: The cause and mechanism of chronic atrophic gastritis is not only the lack of diet, killing and injuring the central state; or internal invasion of external evil, damage to the spleen and stomach; or worry, depression and anger, liver loss of drainage, transverse rebellion against the stomach; as well as the lack of endowment, spleen and stomach weakness. The disease is located in the stomach, but is closely related to the spleen, liver and kidney, and the pathogenesis is characterized by deficiency with actuality. The pathogenesis is characterized by actuality within deficiency. 1.Irregular diet, damage to the spleen and stomach: overeating and overeating, hunger and satiety are not normal; or eating cold and cold, cold accumulates in the stomach and stomach, damaging the qi of the spleen and stomach, and the qi flow is not normal; or over-eating spicy and fatty food, over-drinking strong wine, brewing heat and producing phlegm, damaging the spleen and stomach, resulting in stomach pain and fullness. 2, depression hurts the liver, cross-reverse spleen and stomach: the liver is the general’s official, like to be organized and evil depression. If the situation is unfavorable, worry and annoyance, emotions are not smooth, liver depression, Qi stagnation, dereliction of duty, transverse violation of the spleen and stomach, the spleen and stomach disorders can lead to gastric distension and fullness, noisy and other symptoms. 3.Insufficient endowment and weakness of spleen and stomach: the body is weak in spleen and stomach, or labor and weariness, internal injury, injury to the spleen and stomach; or long-standing illness, extending to the spleen and stomach, weakness of the spleen and stomach, lack of yang energy, dull stomach, lack of spleen movement, and the development of gastric and epigastric fullness and pain. 4, external internal injury, spleen and stomach damp heat: external summer dampness, cold dampness, internal invasion of the spleen and stomach, water and dampness within the stagnation; or excessive drinking, brewing damp heat, damage to the stomach and internal organs; or liver depression, spleen deficiency, spleen failure to transport, containing damp heat, resulting in fullness, noisy, acid reflux, burning pain in the stomach and epigastric symptoms. 5, gas stagnation does not work, blood stasis obstruction: gastric disease for a long time, and delayed, gas and blood obstruction of the stomach and internal organs; or post-operative damage to the veins, blood stasis, gastric lobe loss of nourishment; or emotional discomfort, liver qi stagnation, gas stagnation and blood stasis, can lead to stomach pain attacks, belching and fullness and other symptoms. 6.Deficiency of internal fire and gastric yin: Eating fatty, sweet, spicy, and excessive drinking, containing dampness and brewing heat for a long time, burning the gastric ligament; or gas stagnation and blood stasis, stagnation of disease, stagnation of heat for a long time; or liver qi depression for a long time, turning into fire, all of the above reasons can burn the gastric internal organs, loss of gastric yin, and the development of burning pain in the stomach and epigastric, dry mouth and throat, dry stools and other symptoms.