Qing half-summer and Fa half-summer are both concoctions of half-summer, the difference between the two is mainly reflected in the concoction method and the role of bias. Qing half-summer for raw half-summer with alum processing and concocted. In addition to drying dampness and resolving phlegm (to dry dampness of the drug to get rid of phlegm in the body), especially good at eliminating lumps and dispersing knots, and the stomach to remove flatulence, used for phlegm and dampness blockage in the stomach and epigastric cavity caused by the chest and epigastric fullness, stomach pain and flatulence. Fahanxia is made from raw Fahanxia and concocted with alum, licorice and lime. The effect of Fahanxia is inclined to drying dampness and resolving phlegm, and it is often used in cough and phlegm caused by spleen deficiency and dampness (weak function of the spleen, dampness stagnation), and phlegm-beverages (pathological products of impaired metabolism of water and fluid) internal stagnation. Qing Hanxia and Fa Hanxia should not be used with aconite, and are contraindicated in hot bodies, with adverse reactions such as nausea, vomiting and headache. Chinese herbal medicines should be taken under the guidance of a Chinese medicine practitioner to identify the symptoms, and individuals should not take medicines on their own to avoid adverse consequences.