The causes of dizziness after taking Chinese medicine are mainly related to drug allergy, taking drugs improperly, the drugs are not the right evidence, the patient’s past medical history. 1. drug allergy: for allergic patients, or allergic to a certain kind of Chinese medicine in the crowd after taking the drug is prone to nausea, rash, dizziness, headache and other allergic manifestations. 2. Taking drugs improperly: do not follow the doctor’s advice or not in accordance with the instructions of the drug to standardize the use of drugs, thus causing dizziness and other adverse reactions. 3. Drugs do not match the evidence: the patient’s disease pattern does not match the indications of the drug, resulting in counterproductive symptoms, such as dizziness. 4. The patient’s past medical history: due to the presence of hypertension, diabetes, or their own history of dizziness, dizziness is also easy to occur after taking Chinese medicine. Taking medication should strictly follow the doctor’s instructions to take medication, do not blindly take on their own. In addition, to be clear about the contraindications and adverse effects of the drug, if there is discomfort, immediately to the hospital.