The medicinal effects of ginkgo biloba fruit include astringing the lungs (astringent lung qi) to stabilize wheezing, stopping the band and shrinking urine. Ginkgo biloba fruit is white fruit, in the “Chinese Pharmacopoeia” has a detailed record of sweet, bitter, astringent, flat, toxic, to the lungs, kidney meridian. Ginkgo biloba fruit has astringent lung asthma, stopping the band shrinking urine effect, commonly used in phlegm cough, bring down the white cloudy (urine turbid as white pulp), urination, urinary frequency and other conditions of treatment. However, the ginkgo biloba fruit can not be used more than one, can not be eaten raw, containing ginkgol, cyanogenic glycosides, leucocholic acid and other toxic substances, if there is no high-temperature treatment, eaten directly raw, it is likely to lead to a toxic reaction, such as nausea, vomiting, abdominal pain, diarrhea, weakness of the limbs, respiratory difficulties, etc., and can even be life-threatening. In addition, ginkgo biloba fruit poisoning and the severity of poisoning is related to the age and physical strength. Therefore, children and the old and weak should be used with caution. Ginkgo biloba fruit should be used in accordance with medical advice, and if there are any adverse reactions after use, seek medical treatment promptly.