The difference between Chai Hu Gui Zhi Gan Jiang Tang and Han Xia Diarrhea Heart Tang is that the composition, efficacy and main treatment are different. 1. Composition: Chai Hu Gui Zhi Gan Jiang Tang is composed of Chai Hu, Gui Zhi, Juniperus communis root, Scutellaria baicalensis, oyster (boiled), dried ginger and roasted licorice. Semixia Laxative Heart Tang is composed of Semixia, Rhizoma Coptidis, Dried Ginger, Licorice, Scutellariae Radix, Radix et Rhizoma Ginseng and Fructus Jujubae. 2. Efficacy: Chai Hu Gui Zhi Gan Jiang Tang has the efficacy of harmonizing and dispersing cold (reconciling and harmonizing, so that the cold evils can be dispersed), generating fluid and astringing yin. Half-summer Laxative Heart Soup has the efficacy of neutralizing cold and heat, eliminating lumps and dispersing knots. 3. Indications: Chai Hu Gui Zhi Gan Jiang Tang is used for symptoms such as fullness and slight knotting in the chest and hypochondrium (chest and ribs), cold and heat, but sweating in the head, thirst without vomiting, dysuria (unruly urination), heartburn, or loose stools. Half-summer Diarrhea Heart Soup is used to treat plumpness with mixed cold and heat (the presence of both cold and heat syndromes in the same patient). It is characterized by plumpness under the heart (mainly referring to the distension and discomfort in the stomach) but fullness without pain, or bowel sounds and discharges, vomiting, and greasy and slightly yellowish tongue coating. The above medicines should be used under the guidance of a doctor, and should not be used arbitrarily by oneself, so as to avoid improper use of medicines and delay of the condition.