The present invention relates to a method for collecting and fermenting the ginkgo (Ginkgo biloba) nuts and leaves before the ginkgo nuts and leaves have toxicity. The present invention uses the hull and the ginkgo nuts, naturally ferments the the ginkgo nuts and leaves to shorten a fermentation period and ensure non-toxicity. The present invention can enhance medicine properties of the ginkgo nuts and bark, and uses the ginkgo leaves to increase the productivity.은행열매. 은행잎이 독성이 생기기 전에 수확하여 발효시키는 기술로. 자연발효. 무독성. 발효기간 단축 은행열매와 외피를 사용함으로서 약성증가. 은행잎을 사용함으로서 생산성 증대. 등 효과가 있다.