In the trend of global warming,international community achieved relevant cooperation frameworks to cope with climate change.China is actively undertaking emission reduction commitments,paying high attention to low-carbon economy. Based on the conception of regional low-carbon development assessment,a dynamic differential game model with cost allowance is established to explore the sustainable development mechanism suitable for Chinas national conditions, with the view of stimulating the enthusiasm of local government and enterprise.Model solution indicate that low-carbon cooperative strategy between government and enterprise is conducive to regional low-carbon economy,corresponding Stackelberg game equilibrium is superior to Nash non-cooperation game equilibrium;with the same track of local governments low-carbon efforts,the cooperation is helpful to promote enterprise more engaged in low-carbon,and enhance the development results.