灰树花，形如珊瑚状，其肉质脆嫩，香气独特，是一种极珍贵的食、药两用菌，被列为当代系列珍稀菌类品种开发之首，在国际市场上供不应求。灰树花含有人体必须的８种氨基酸及其它营养成分，具有防癌、抗癌和提高人体免疫力等多种保健功能。人工栽培灰树花可利用杂木屑、棉籽壳 Grifola frondosa, shaped like a coral, its fleshy crisp, unique aroma, is a very precious food, medicine dual-purpose bacteria, was listed as a contemporary series of rare fungus species development of the first, in short supply in the international market. Grifola frondosa contains eight essential amino acids and other nutrients required by the human body and has various health functions such as prevention of cancer, cancer and improvement of human immunity. Artificial cultivation of grifola frondosa can use hybrid sawdust, cotton seed hulls