In recent years，the frequent haze weather in the Beijing-Tianjin-Hebei region has seriously affected people’s health，life and social stability. The report of the 19th National Congress of the Communist Party of China pointed out that it is necessary to continuously implement air pollution prevention and control actions to win the battle for the defense of the blue sky. This paper mainly summarizes the air quality rankings，source analysis of pollutants，and spatial-temporal distribution characteristics of Beijing-Tianjin-Hebei urban agglomerations，and describes the status of cross-regional and multi-organizational joint management of smog in recent years. “Political blue sky” in the final，from the construction of the top-level design and institutional guarantee of government departments，the mid-level implementation of enterprises and institutions and social organizations，the participation of the general public at the bottom of the vertical joint mechanism and the Beijing-Tianjin-Hebei urban agglomeration horizontal joint mechanism The future research and development of multi-organization collaborative management of smog pollution in Beijing-Tianjin-Hebei urban agglomeration are summarized and prospected.