Xiao Chaihu generally refers to Xiao Chaihu granules, Lianhua Qingdian capsule and Xiao Chaihu granules efficacy is similar, if you need to stack the use of be sure to do under the guidance of a physician, do not stack, so as to avoid the interaction of drug effects lead to adverse reactions. 1. Lianhua Qingdian capsule consists of forsythia, honeysuckle, sizzling ephedra, fried bitter almonds, gypsum, root of the bluebell, sheep horse Guanzhong, etc., clearing the plague and detoxification (clearing the plague, heat and poisonous evil), and promoting the lungs to drain heat. It is used in the treatment of influenza, which is characterized by heat and toxicity attacking the lungs. Symptoms include fever or high fever, malignant cold (fear of cold), muscle aches and pains, nasal congestion and runny nose. Adverse reactions include nausea, vomiting, abdominal pain, diarrhea, abdominal distension and regurgitation. Contraindicated for those who are allergic to this product and its ingredients. Avoid smoking, alcohol and spicy, cold and greasy food. It is not suitable to take tonic Chinese medicine at the same time during the period of taking the medicine. Not suitable for people with wind-cold flu. 2. Xiao Chaihu Granules is composed of Chaihu, Scutellaria baicalensis, Ginger half-sia, Radix et Rhizoma Ginseng, Ginger, Glycyrrhiza glabra, etc. It can detoxify and dissipate the heat from the exterior of the body, dredge the liver and stomach. It can be used for the symptoms of exogenous disease, evil attacking the Shaoyang (between half-expression and half-li), with symptoms such as cold and heat (the body is hot and cold at the same time), bitter and fullness in the chest (the front and both sides of the chest feel distended and uncomfortable), loss of appetite, upset and nausea, and bitter taste and dryness in the mouth and throat. Avoid smoking, alcohol and spicy, cold and greasy food. It is not advisable to take tonic Chinese medicine at the same time while taking the medicine. Not suitable for people with wind-cold flu. Adverse reactions and contraindications are not clear. The effects of both are similar, if there is a need for medication, it should be used under the guidance of a doctor to identify the evidence, and should not be used blindly, so as not to cause adverse effects.