Using the Enterprise Big Data，this research makes an analysis of the registered capital，the spatial flow of registered capital，the investment orientation among industries，the amount of joint patent application and patent grant. This research draws conclusions：the base of industrial division and coordination of Beijing-Tianjin-Hebei is good；the spillover of capital of Beijing is significant and Beijing has already become the radiant center in the region of Beijing-Tianjin-Hebei；the joint patent application and patent grant mainly focuses on the industries including infrastructure，technological service and manufacturing. Beijing is the core impetus of the joint innovation among Beijing，Tianjin and Hebei. Based on the conclusions above，some suggestions are put forward.