The side effects of taking Gui Zhi Fu Ling Pill are as follows: The first point is to cause allergy, many patients have an uncomfortable reaction to some ingredients of Gui Zhi Fu Ling Pill, or a stress reaction, and some allergic reactions such as skin rash, drug rash, or even mucous membrane edema. Once an allergic reaction occurs, the drug should be immediately discontinued, if necessary, you can consider some auxiliary treatment. The second point is that taking Gui Zhi Fu Ling Wan can lead to further aggravation of the patient’s physical weakness, mostly seen in patients who are usually in poor health and weak. The third point will make women’s menstrual volume increase, mostly seen when taking the drug, in women’s menstrual period or premenstrual period. The fourth point is that the side effects of taking the drug are more likely to cause women to suffer from diseases such as stomach pain, dysmenorrhea, amenorrhea, and even insomnia, dreaminess, bloating, diarrhea and a series of other adverse symptoms.