Drinking patchouli zhengqi water diarrhea may be allergic to the drug, spleen and stomach cold or at the same time take tonic class of Chinese medicine, etc., need to identify the cause, follow the doctor’s instructions to give symptomatic conditioning or treatment. Patchouli Zhengqi Shui has the effect of regulating qi and zhong (regulating the qi of the spleen and stomach to make the function of the spleen and stomach smooth), relieving the surface of dampness (relieving the evil qi of the external sensation, getting rid of the dampness in the body), which is mainly applicable to the treatment of colds and flu due to the external sensation of wind and cold, the internal injury of dampness stagnation (the stagnation of the body’s dampness caused by the diet is too cold and cold), or summer injury of summer dampness (the human body is susceptible to the invasion of heat and dampness in the summer). Patchouli Zhengqi Shui is cold, so if people with cold spleen and stomach take it, they are prone to diarrhea; people who are allergic to a certain ingredient in the drug may also have an allergic reaction and show diarrhea; if you take tonic Chinese medicine at the same time during the period of taking the drug, the above mentioned discomforts may occur due to the interaction of the drugs. This drug is prohibited for people who are allergic to this product and people who are allergic to alcohol; during the period of taking the drug, it is advisable to have a light diet, avoid spicy and greasy food, and it is not advisable to take tonic traditional Chinese medicines at the same time; women during pregnancy and people who have a weak and cold spleen and stomach should be cautious; this product can not be used in combination with cephalosporins or medicines that are prone to disulfiram reaction, and the combination of these medicines will lead to a reaction such as disulfiram-like reaction. It is recommended to strictly follow the doctor’s instructions before taking Huo Xiang Zheng Qi Shui, and those who have severe diarrhea during the medication should go to the hospital in time.