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Function 1: Citrus aurantium is bitter, pungent, sour, and warm in nature. It has the effects of regulating qi, widening the middle, stagnation and reducing swelling. It is mainly used to treat qi stagnation in the chest and hypochondrium, fullness and pain , food accumulation that cannot be resolved, phlegm and fluid retention, gastroptosis, anal prolapse, prolapse of sub-organs and other symptoms.

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Function 2: Break Qi, eliminate phlegm and eliminate accumulation. It can be used to treat phlegm stagnation in the chest and diaphragm, chest bloating, side distension, food accumulation, gas suffocation, vomiting, and severe diarrhea.

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Function 3: Cure rubella all over the body, severe itching in the muscles, wind and hemorrhoids in the intestines, qi in the heart and belly, bloating and deficiency in the two flanks, and congested diaphragm.

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Function 4: Strengthen the spleen and appetite, regulate the five internal organs, lower Qi, stop vomiting and eliminate phlegm.

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Five functions: cure nausea, cholera and diarrhea, digestion, break the knot syndrome, five diaphragmatic qi, remove wind, improve eyesight and pulmonary qi edema, benefit the large and small intestines, skin itch. Swelling hemorrhoids can be burned and ironed.