But it's best to use dry leaves. Because fresh apricot leaves picked from trees are used for soaking in water and have the smell of grass, some components in apricot leaves are transformed into more health-care components by drying or drying. Traditional prescriptions all use dried leaves. Apricot leaves have the functions of lowering blood fat, astringing lung, calming liver, relieving asthma and lowering blood pressure. Indications: hypertension, arteriosclerosis, cough and dyspnea with leukorrhagia. Usage: 6 grams of dried apricot leaves (fresh leaves 10 grams), washed with boiling water. If you take it regularly, it can obviously reduce serum cholesterol and blood pressure, but Ginkgo biloba leaves picked by the roadside must not be soaked in water directly. This is because Ginkgo biloba leaves contain highly water-soluble ginkgolic acid, hydrocyanic acid and other toxic components. If you directly soak Ginkgo biloba leaves in water, you will basically drink toxic ingredients, which will cause paroxysmal spasm, nerve paralysis, allergies and other symptoms. It is not advisable to take it in large quantities for a long time.