If a pregnant woman has a cold that is consistent with the syndrome of evils violating the Shaoyang (between the half-expression and the half-li), she can take Xiao Chaihu Granules under the guidance of a doctor, but it is not appropriate to use this medicine for other syndromes. The instructions of Xiao Chaihu Granules clearly stipulate that pregnant women can use the drug under the guidance of a physician, but whether pregnant women can take this drug should be determined by a professional physician according to the specific conditions, this drug is suitable for cold and heat exchanges (the body for a while hot and a moment of cold), loss of appetite, bitter mouth and dry throat and other symptoms of the evil offending the lesser yang syndrome, if pregnant women meet the symptoms, usually can be eaten. Xiao Chaihu Granules has the effect of harmonizing the stomach and dredging the liver, dispersing heat and relieving the surface, and contains a number of traditional Chinese medicines, such as Chaihu, Jiang Bianxia, and Codonopsis pilosula. This medicine is not suitable for wind-cold cold, and cannot be taken by pregnant women if they have wind-cold cold. The adverse effects of this medicine are not clear, and can not be used with tonic Chinese medicine, also prohibited to give this medicine to those who are allergic to use. Avoid smoking, alcohol and spicy, cold and greasy food. Pregnant women should not blindly use drugs, so as to avoid improper use of drugs to affect the health of the fetus, cold and flu specific use of which drugs, must be guided by a professional doctor.