Ginkgo biloba is a proprietary Chinese medicine tablet, and patients can take it directly with warm water as prescribed by the doctor. Ginkgo biloba is mainly composed of ginkgo biloba extract, which has the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and activating meridians and collaterals. It is used for chest pain caused by blood stasis blocking the meridians, hemiplegia (one side of the limb can not move freely) after stroke, tingling and numbness of joints, slurred speech and other conditions, stable angina of coronary heart disease, cerebral infarction seen in the above symptoms. However, it should be noted that if you are allergic to Ginkgo biloba extract or allergic to the excipients, it is prohibited to take it. People with heart failure, pregnant women, allergic people should be cautious, people with bleeding tendency, taking antiplatelet aggregation drugs, need to take Ginkgo biloba under the guidance of a doctor. After taking Ginkgo biloba, may appear as nausea and vomiting, dry mouth, abdominal distension, abdominal pain, gastrointestinal bleeding, nosebleeds, bleeding gums and other adverse reactions, need to temporarily stop using the drug. Ginkgo biloba is a prescription drug, need to be used under the guidance of a physician, not unauthorized use of medication, in order to avoid adverse consequences.