Recently, 400 thousand Black fungus spawn bags produced from 16 greenhouses of Boli Black fungus cooperation have a good harvest were cultivated by Bocheng Black fungus cooperation. It is worth mentioning that these Black fungus was cultivated by liquid spawn. After compared, liquid spawn can increase production of 20% than solid spawn. Liquid spawn can has strong ability of resisting microbial contamination. According to the director of the cooperation, their liquid spawns of Black fungus was introduced from Changman Scientific and Technical Company, they are very satisfied with it.