This article first carries on the analysis aiming at the existed research achievements on region economy,and indicates that these researches have not really gone deeply into the market systems characteristic on themselves.The article puts forward the assumption of many market systems coexisting subsequently,and thinks that the different production functions are the keys to differentiate the different markets.The article then carries on the examinations according to economic systems’ scope from the small to the big,and proves that the eight greatest economy systems can reserve the characters of the production functions more completely.The article puts forward the conclusions and policy suggestions finally.