Regional Logistics-Economic System has been selected as the research object. To solve the collaborative barriers in coupling development of the system, the concept and constitute of Regional Logistics-Economic System have been constructed. The coupling development degree evaluation model and criteria have been established, and a reasonable evaluation index system has been also elected. The coupling development index has been created to measure the coupling development degree of Regional Logistics-Economic System. And the logistics and economic data of Heilongjiang province have been analyzed, the results show the evaluation model and calculation method can be used effectively.