Its  powder, special composting agent for pig raising on fermentation bed, are composed by 80 kinds of microorganisms. This product is a new type of micro-ecology activity bacteria, without any hormones and antibiotics components, without any side effects. Compared with the general biological agents, it has the features of green pollution free, energy conservation and environmental protection, fermentation stability, quick in temperature rise, good effect of deodorizing, stable performance, safe and reliable, complete functions, suitable for pig raising on fermentation bed. Above all, it can improve the quality of pork, value and yield, reduce feeding cost.