There is no statement of how long it is good to take Chen Xianglu Bailu Tablet, and the instruction points out that if there is no relief of symptoms after taking the medicine for 3 days, you should go to the hospital to see a rash. Chen Xianglu Bailu Tablet belongs to the proprietary Chinese medicine, composed of licorice, rhubarb, sodium bicarbonate, calamus and so on. It has the efficacy of strengthening the stomach and middle, regulating qi and relieving pain, and is mostly used for gastric pain caused by excessive stomach acid and chronic gastritis. The adverse reactions of Chen Xianglubai Lu Tablet are not clear. Note that Chen Xianglu Bai Lu Tablet is contraindicated for pregnant and lactating women. During the period of taking the medicine, the diet should be light, avoid emotional excitement and sulking, stomach yin deficiency is not applicable. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the evidence, individuals should not use blindly to avoid adverse consequences.