The specific dosage of half-summer and its treatment of disease and the patient’s own specific conditions, not generalized, the general clinical dosage of adults a day for 3 ~ 9g, and internal use is generally used after concocting, and external use can be grinded coated with juice or powdered to the affected area with wine. Half-summer is the dried tuber of Half-summer, a plant of the family Tennantaceae, which is pungent, warm and poisonous, and has the efficacy of drying dampness and resolving phlegm (expelling dampness by drying dampness and dissolving phlegm), lowering the rebelliousness and stopping vomiting (stopping the upward flow of gastric qi and vomiting), and so on. Half-summer can be used in the treatment of damp phlegm and cold phlegm, cough and phlegm, phlegm-drinking palpitations (dizziness and palpitations caused by phlegm-drinking evil), wind-phlegm-drinking palpitations, and chest-epigastric constipation (a feeling of fullness and stuffiness in the chest and abdomen), and can also be used externally to treat carbuncles and phlegm-nuclei (the lumps that are swollen up like a nucleus under the skin). It should be noted that the half-summer should not be used with Chuanwu, Caowu, appendicitis when the Chinese herbs, and this product is toxic, raw products should be cautious of internal use, the specific use should also be under the guidance of the physician to identify the evidence, do not use private medication, so as not to cause damage to the organism.