We concluded that the most significant advantage is that natural resource endowment and spatial location. The most prominent disadvantage is the industrial structure of four Cities are isomorphism, and inter-regional co-operation between enterprises are still many obstacles so that competitive industries with low concentration. 总结归纳出最显著的优势是自然资源禀赋和空间区位的优势,而最突出的劣势则是四州市产业同构化现象较为严重以及企业间跨区域合作仍有许多障碍,优势产业集中度低。