The coordination system of ecological interests protection in Beijing-Tianjin-Hebei region economic development has not been mature, which directly affects the sustainable development of regional society, economy and ecology. Only the three regions strengthen the coordination, can they achieve a win-win situation and greater development. Therefore, it has vital significance to explore the construction of Beijing-Tianjin-Hebei ecological civilization circle from the green transformation angle. The construction of Beijing-Tianjin-Hebei ecological civilization circle must not only take the regional difference into account, but also pay attention to the integrity of the construction. According to prominent contradictions and problems in the Beijing-Tianjin-Hebei ecological civilization construction, this paper puts forward a series of Countermeasures of green transformation of regional ecological cooperation.