The hazards of ginkgo biloba for the elderly are not yet clear; its use is prohibited for those with solid evils in the body. Ginkgo biloba, sweet, bitter, astringent and flat in nature, is effective in astringing the lungs (collecting lung qi), calming asthma, activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body) and relieving pain. Ginkgo biloba can be used to treat blood stasis and obstruction of collaterals, and is effective in coughing and wheezing caused by lung deficiency, as well as improving chest paralysis (chest tightness and pain) and heart pain, in addition to treating hemiplegia and other strokes. The adverse effects of Ginkgo biloba are still uncertain, and its use is prohibited for those with solid evil; care should be taken to avoid spicy, cold and irritating foods when using Ginkgo biloba. If you need to use the Chinese medicine ginkgo biloba, you should be guided by a professional Chinese doctor to identify the use of evidence, do not buy and use on your own to avoid delaying the condition.