Ginkgo biloba has the efficacy of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body) and opening up collaterals. It is mainly used for the treatment of chest pain, stroke, hemiplegia, and unfavorable speech caused by blood stasis. Its contraindications and adverse reactions are not clear, and it is prohibited for patients who are allergic to the ingredients of the drug. The main component of Ginkgo biloba is ginkgo biloba extract. In modern times, it is mainly used for the treatment of coronary heart disease, cerebral infarction and other identification of blood stasis. Precautions: heart failure, pregnant women are not recommended to use; use under the guidance of a physician, the need for long-term use of drugs, it is recommended that regular outpatient follow-up and monitoring of platelets, coagulation function, etc.; bleeding tendency, taking anti-platelet aggregation drugs, taking anticoagulants should be used under the guidance of a physician. In addition, some patients may have headache, dizziness, nausea, vomiting, dry mouth, acid reflux, fatigue, panic, chest tightness and other symptoms, if necessary, stop the drug or outpatient consultation.