Abstract: As one of the development patterns of agro-engineering, a mushroom factory had been set up in a village of Huang-Huai -Hai plain. It is proved that development form of "mushroom culture in different places" makes the agroccosystcm more flexible to use the advantages and to avoid disadvantages of both city and countrysides in order to achieve the best economic benefit. An assembly line was formed to suit to a large sacle production. The results show that the ceo-economical effect was remarkable. This development form may be extended throughout the region.