From the perspective of strategic learning capability and environmental dynamics, we conducted theoretical and empirical research on the underlying mechanisms and boundary conditions of the relationship between top managers' long-term orientation and enterprise green innovation. Through the analysis of the primary data of 336 enterprises in China, this study found that: top managers' long-term orientation had positive effect on enterprise green innovation; strategic learning capability partially mediated the relationship between top managers' long-term orientation and enterprise green innovation; environmental dynamics positively moderated the relationship between top managers' long-term orientation and strategic learning capability. In the context of high dynamic environment, the positive relationship between top managers' long-term orientation and strategic learning capability is stronger. In the context of low dynamic environment, the positive relationship between top managers' long-term orientation and strategic learning capability is weaker; the indirect effect of top managers' long-term orientation on enterprise green innovation via strategic learning capability was stronger when environmental dynamics was at a high level.