Beijing’s population control has entered a new stage of depopulation driven by the deregulation of non-capital functions. The population control policy has entered into the national strategy of coordinated development of Beijing-Tianjin-Hebei，and its function space，control purpose and control means have also undergone significant changes. The further development of Beijing’s population control policy requires us to carefully analyze and judge the law of population size changes，and at the same time combine the non-capital function relief with the coordinated development of Beijing，Tianjin and Hebei，and continue to promote the optimization of population space and population quality. Promote.