The differences between Da Chaihu Granules and Xiao Chaihu Granules include different drug composition and different main treatment. Xiao Chaihu Granules are composed of Chaihu, Jiang Hanxia, Scutellaria baicalensis, Codonopsis pilosulae, licorice, ginger, jujube. Different Indications: Da Chaihu Granules is used for hidden pain or distension and discomfort in the right upper abdomen, bitter mouth, nausea and vomiting due to the disharmony of Shao-Yang and damp-heat of liver and gallbladder. Xiao Chaihu Granules is used for the symptoms of exogenous diseases, evils violating the Shaoyang (between half-expression and half-li), symptoms such as cold and heat (the body is hot and cold at the same time), bitter and fullness in the chest and hypochondriacs (feeling distended and uncomfortable in front of the chest and at the two sides of the chest), and loss of appetite. Avoid smoking, alcohol, spicy, cold and greasy food during taking Xiao Chaihu Granules. 2, should not take tonic Chinese medicine at the same time during the period of taking the medicine. 3、It is not suitable for people with wind-cold flu.