You can drink Xiao Chaihu Granules during menstruation. Xiao Chaihu Granules is a proprietary Chinese medicine that can be taken during menstruation. Xiao Chaihu Granules do not contain ingredients that activate or stop bleeding, and have no effect on the volume and cycle of menstruation. Xiao Chaihu Granules is a proprietary Chinese medicine. It is composed of Chaihu, licorice and ginger. It has the efficacy of dispersing heat from the surface, soothing the liver and harmonizing the stomach. It is used for recurring cold and heat, chest and hypochondriac distension, poor appetite, heartburn, bitter mouth and dry throat. Adverse effects of Xiao Chaihu Granules are not clear. Contraindications are prohibited for those who are allergic to this product; precautions, avoid smoking, alcohol food; wind-cold cold is not applicable; allergy with caution. If there is a need for medication, need to be used under the guidance of a doctor to identify the evidence, not blindly use their own medication, so as not to cause adverse consequences.