Patients should be careful when taking Chinese herbal medicines containing sasanqua root. If clinical manifestations such as dizziness, blurred vision, nausea, vomiting, abdominal pain, diarrhea, chills, excessive sweating, pallor and coma occur, the medicine must be stopped immediately. Allergic reactions to herbs can have various manifestations, and the mechanisms of production are not identical and need to be further studied. At present, there are more than 100 kinds of herbs known to cause allergic reactions. Bupleurum, Toadstool, etc. Chinese medicine allergies often have little to do with usage and dosage, but rather with individual physical differences, such as genetic transmission, metabolic enzymes in the body and immune system. There is another category of allergy related to Chinese medicine, such as Chinese medicine with photosensitivity, such as bone marrow, dahurica, zhu huang, thornbush, windbreak, saxifrage, etc. Patients who take them have increased photosensitivity and may develop solar dermatitis, which should be noted in the clinical application. It should be noted in the clinical application. It should be taken orally instead of intramuscularly, and intramuscularly instead of infusion; self-injection at home is strictly prohibited. During the period of medication, closely observe the drug reactions, especially for allergic or weak people, and stop the medication immediately once there are allergic symptoms; those with mild symptoms can be treated with anti-allergic drugs such as paracetamol, diphenhydramine, promethazine (fenagine), or vitamin C, calcium preparations, etc. Those with severe symptoms such as anaphylaxis should be sent to hospital immediately for comprehensive treatment. A correct understanding of allergic reactions to traditional Chinese medicine and attention to the combination of prevention and treatment will surely avoid many accidents and allow traditional Chinese medicine to play an advantageous role in clinical practice that western medicine does not have.