Xiao Chaihu Granules are often used to treat bitter fullness in the chest (feeling fullness and discomfort in the front and sides of the chest), bitter mouth and dry throat, hot and cold (the body is hot and cold at the same time), and so on, and are not used for treating lumbar pain. Xiao Chaihu Granules is a Chinese patent medicine commonly used in daily life, which is composed of Chaihu, Codonopsis, Scutellariae, Ginger, Glycyrrhiza glabra and other traditional Chinese medicines, and is in the form of granules with sweet and slightly bitter taste. Xiao Chaihu Granules has the effects of dispersing the liver and stomach, relieving the surface and dissipating heat. It is often used in the treatment of bitter mouth and dry throat, upset and nausea, bitter fullness in the chest (feeling fullness and discomfort in the front and sides of the chest), cold and heat (the body is hot and cold), etc. It is not used in the treatment of lumbago caused by various reasons. Avoid smoking, alcohol and spicy, cold and greasy food during the period of taking Xiao Chaihu Granules. It is not suitable to take tonic Chinese medicine at the same time during the period of taking the medicine. It is not suitable for people with wind-cold flu. Adverse reactions and contraindications are not clear. The appearance of back pain and other discomforts recommend timely visit the hospital, under the guidance of a professional physician to standardize the use of medication.