Xiao Chaihu Granules can be taken for menstruation, but should be used under the guidance of a doctor. Xiao Chaihu Granules are effective in relieving the symptoms and dispersing heat, dredging the liver and harmonizing the stomach. It is used for the symptoms of 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), heartburn and vomiting, bitter mouth and dry throat. Xiao Chaihu Granules does not have the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and will not lead to coagulation of menstrual blood, therefore, women can take Xiao Chaihu Granules during menstruation. However, it is not advisable to take tonic drugs at the same time during the period of taking the medicine. The medicine is not suitable for those who have wind-cold and cold, and those who suffer from diabetes mellitus, high blood pressure, heart disease, liver disease, renal disease and other chronic diseases, as well as children, pregnant women, lactating women, old and frail people need to be guided by a professional doctor to avoid unauthorized use of the medicine.