The role of microorganisms in agriculture has gradually been recognized. Currently, there are more than 70 countries in the world producing, applying and promoting microbial fertilizers. China currently has 250 enterprises producing about hundreds of thousands of tons of microbial fertilizer for production. This is compared with the same fertilizer production and consumption can't, but it has begun to play a role in the agricultural production, has obtained the certain economic benefit and social effect, has initially formed a regular industrial production stage. With the further development of the research and the need to expand the new variety, microbial fertilizer has been formed (1) to be converted from leguminous crop inoculation to non-leguminous crop fertilizer. (2) transformation from single inoculant to compound biological fertilizer; (3) transformation from single strain to compound strain; (4) transformation from single function to multi-function; (5) the trend of production of spore-free bacteria to production of spores was used. Not only that, over the past 20 years, many countries know more microbial fertilizer to the microbial preparation as a living, the number of beneficial microorganisms and strong or not is the key to the quality of life activity, is one of the key to the application effect is good or bad. To this end, many countries have established industry or national standards and corresponding institutions to check product quality. China has also established the ministry of agriculture standards and the establishment of a microbiological quality testing center, and has officially registered, tested and issued production licenses for microbial fertilizer products in 1996.