Guifeng Ningxin is a proprietary Chinese medicine, the main ingredient is Pueraria Mirifica, which is usually taken for 1-2 weeks to have an effect, taking 4 weeks as a course of treatment. It can improve the symptoms of insufficient blood supply to the heart caused by coronary heart disease and angina pectoris, and can also effectively prevent cerebral infarction and cerebral thrombosis, and can be used to treat neurological headache, as well as regulating blood pressure, which can be an auxiliary medicine for patients with hypertension. Guaifeng Ningxin drops can be taken sublingually to avoid the first pass elimination effect of liver and improve bioavailability. Individual patients have a feeling of head distension after taking the drug, gastric ulcer patients are not recommended to use this drug, take Guaifeng Ningxin half a month symptoms do not improve to consult a doctor.