As a special geographical unit，Jing-Jin-Ji region should be planed as a whole to consider regional ecological compensation，set up intra-regional horizontal compensation system，and speed up the implementation of ecological integration. The key to promote ecological integration is the innovation of ecological compensation mechanism，and the improvement and perfect of the multivariate and fair system of ecological compensation. In particular，on the basis of the existing work，we should build regional linkage mechanism of ecological compensation，ecological accountability mechanism，the ecological mechanism of the red line，and bonus mechanism. Therefore，weshould establish a unified coordination institution and a comprehensive decision-making mechanism，improve the relevant legislation and law enforcement system，promote the operation of market mechanism，strengthen the construction of the relevant evaluation and supervision system，deepen regional linkage mechanism，promote balanced allocation of resources，and carry out pilot work in Jing-Jin-Ji region ecological compensation.