Yes, but it depends on how your gastrointestinal tract is. If it is not good, don't drink on an empty stomach in the morning. Pericarpium Citri Tangerinae is the peel of citrus fruits, which is made by sun drying or artificial sun drying, and the peel of Xinhui citrus is the most valuable. The most remarkable effects of dried tangerine peel are expectorant, cough relieving, cardiovascular and cerebrovascular dredging, and blood pressure lowering. It is one of the precious raw materials with the same origin of medicine and food.