So far，nearly a quarter of the countries in the “Belt and Road” economic belt still rely on exporting energy to maintain national economic growth，and their ability to withstand fluctuations in the international economy is weak. Since the establishment of the “Belt and Road”，cooperation in emerging industry trade and capacity investment has been continuously consolidated. The “PV+” ecological innovation model，as the general direction，rhythm and trend of the photovoltaic industry route，will be conducive to the comprehensive construction of a global community with a shared future for mankind. To accelerate countries’ achievement of carbon neutrality and carbon peak goals，and help achieve the vision of rural revitalization. In the context of carbon neutrality，it is necessary not only to actively deepen the reform of the “PV+” ecological investment facilitation，improve the ecological benefit evaluation mechanism，and strengthen the financial innovation mechanism，but also encourage relevant departments to introduce a new policy mechanism to make the “PV+” ecological model better Contribute to the transformation of the energy structure of countries in the economic belt.