The Bangladesh-China-India-Myanmar Economic Corridor is an important channel to promote the opening up and development of the Western China such as Yunnan，and also a China’s southward access to the Indian Ocean. By summarizing the cooperation mechanism，regional scope and important cities and ports of the BCIM，this paper analyzes the energy，infrastructure，industrial park cooperation and its influencing factors of cooperation between Western China and Bangladesh-China-India-Myanmar Economic Corridor Area，and also discussed its future trend.