The difference between Noon Tea Granules and Huo Xiang Zheng Qi Shui is mainly in terms of drug composition, efficacy, indications, contraindications and adverse reactions. 1. Pharmaceutical ingredients: the former is made of Atractylodes macrocephala, antiphlogistic, Angelica dahurica, Rhizoma Ligustici Chuanxiong and patchouli; the latter is made of Atractylodes macrocephala, licorice extract, Phellodendron amurense (ginger system), Poria cocos, Pericarpium Citri Reticulatae, Pellitory of the Great Abdominal Peel, Semen Armeniacae, oil of Patchouli, oil of perilla leaves. 2. Efficacy: The former has the efficacy of dispelling wind and relieving epidemics, resolving dampness and harmonizing the middle (dispelling dampness and harmonizing the spleen and stomach); the latter has the efficacy of relieving epidemics and resolving dampness (relieving evils from external senses and dispelling dampness within the body), regulating qi and harmonizing the middle (regulating the qi of the spleen and stomach and smoothening the functions of the spleen and stomach). 3. Indications: The former is suitable for the treatment of external wind-cold and internal food stagnation (the accumulation of food in the stomach due to indigestion of food) with fever and malignant cold (fear of cold), fullness in the chest and epigastric region, headache and pain in the body, nausea and vomiting, and abdominal pain and diarrhea. The latter is suitable for the treatment of summer injury of summer dampness (summer body is easily violated by summer heat and dampness) or internal injury of dampness stagnation (stagnation of dampness in the body due to overly cold diet, etc.), cold or gastrointestinal cold caused by external wind-cold, which is characterized by chest and diaphragm constriction, headache, nausea, vomiting, diarrhea and so on. 4. Contraindications and adverse reactions: the former adverse reactions and contraindications are not clear; the latter alcohol allergy is prohibited, may cause rash, dizziness, flushing, itching, nausea, vomiting, palpitations and other adverse reactions. The specific use of the two concerned should be carried out under the guidance of a specialist, and should not be used without authorization.