Xiao Chaihu refers to Xiao Chaihu Granules and Banlangen refers to Banlangen Granules, both of which are proprietary Chinese medicines, the difference mainly lies in the composition, efficacy and precautions. 1. Composition: Xiao Chaihu Granules is composed of Chaihu, Scutellaria baicalensis, Jiang Hanxia, Codonopsis pilosula, ginger, jujube, licorice and so on; Panlangen Granules is composed of Panlangen, Aspartame and so on. 2. Differences in efficacy: Xiao Chaihu has the efficacy of removing heat and dispersing heat from the surface, dredging the liver and stomach; the efficacy of Panlangen is to clear heat and detoxify the toxin (clearing heat and toxin from the body), cooling the blood and inducing diaphoresis. 3. Precautions: Banlangen Granules should not be used for patients who have sneezing, running nose, headache, fever and chills (fear of cold) due to wind-cold sensation; Xiao Chaihu Granules should not be taken together with tonic Chinese medicines. Warm reminder: when using the above drugs, pay attention to a light diet, avoid spicy, cold food, tobacco and alcohol, consult a professional doctor before use.