2016 is the third year after Secretary-general Xi Jinping visited Beijing and put forward the strategy of “Beijing-Tianjin-Hebei Collaborative Development”. In the past three years，Beijing Institute of Letters to Government has conducted a series of researches on Beijing residents’ attitude and behavior choice of “Beijing-Tianjin-Hebei Collaborative Development” and the relevant measures，as well as the government’s administration according to law when implementing the strategy of “Beijing-Tianjin-Hebei Collaborative Development”. The researches find that public awareness of “Beijing-Tianjin-Hebei Collaborative Development” has significantly improved and the transportation & medical measures also receive more attention. The public commonly reflects that the government has achieved “Beijing-Tianjin-Hebei Collaborative Development” policy information public and improved the suggestion feedback channels，but the administrative enforcement remains to be perfected. In general，the residents are positive toward the influence of “Beijing-Tianjin-Hebei Collaborative Development” policy with relatively moderate behavior choice and they have high expectations for administration according to law & standardized law enforcement.