With the Black fungus cultivation scale expansion and Tianbao projiect implementation, the sawdust which is the main ingredient for cultivating Black fungus is facing resources shortage and price rising. The research and development of the cultivation of the Black fungus substitute material has become a concern problem to edible mushroom producers. It’s reported that Wang xianggang who is the chairman of Star Specialty Technology Development Co., Ltd. Of Dunhua, Jilin. Successfully studied out the processing of traditional sawdust cultivation instead of corn stalk after 5 years. This method can cultivate Black fungus have a high profit and good nutrition quality, it’s also benefit the development of green recycling agriculture. At present, this company replaces sawdust with corn stalk to cultivate Black fungus, has been from the beginning of small-scale experiment, develop to the large-scale and regional cultivation today.