Green peel and Citrus aurantium soaked in water has the effect of breaking the gas and eliminating the accumulation, eliminating the plumpness and dispersing the knot, applicable to the treatment of food stagnation (food indigestion and accumulation in the stomach) stagnation of gas, epigastric (abdomen) plumpness and distension and pain and other conditions. 1. Green peel for the rue family plant orange and its cultivated varieties of dried young fruit or immature fruit peel. It is warm in nature, pungent and bitter in taste, and belongs to the liver, gallbladder and stomach meridians, with the effect of dredging the liver and breaking qi, eliminating accumulation and resolving stagnation. It can be used in the treatment of chest pain, hernia pain, breast fetish (painful lumps in the breast, closely related to menstrual cycle and emotional changes, equivalent to breast hyperplasia), breast carbuncle, food accumulation and stagnation of qi, and epigastric distension and pain. The adverse effects of Qingpi are not clear, but pregnant women and people with Qi deficiency should be cautious. 2. Citrus aurantium is the dried young fruit of the rutaceae plant lime and its cultivated varieties or sweet orange. It is slightly cold, bitter, pungent and sour in nature, and belongs to the spleen and stomach meridians. It has the effects of breaking down qi and eliminating stagnation, resolving phlegm and dispersing lumps. It can be clinically used in the treatment of stagnation, plumpness (stomach fullness and discomfort) and distension, diarrhea and dysentery, inability to pass stool, phlegm stagnation and Qi obstruction, chest paralysis (chest tightness and pain), knotted chest, and prolapse of organs. The adverse effects of Hovenia dulcis are not clear, but pregnant women and those with weak spleen and stomach should be cautious of using it. Citrus aurantium and Citrus aurantium can play the role of breaking qi and eliminating stagnation, eliminating lumps and dispersing knots, but the efficacy of soaking in water is limited, and can not replace the treatment of diseases. If necessary, it is recommended to go to a regular hospital and use them under the guidance of a professional physician.