Environmental information disclosure is an important channel for companies to transmit environmental information to the outside world. An in-depth investigation of the relationship between this new type of environmental regulation and corporate green technological innovation is of great significance for scientifically evaluating its effectiveness and promoting the green development of enterprises. Based on the theoretical analysis of the impact of environmental information disclosure on corporate green technology innovation, this paper uses micro-data from China’s listed companies from 2010 to 2018 to comprehensively consider environmental information disclosure from the three dimensions of whether to disclose, the number of disclosures, and the quality of disclosure, and empirical tests the impact of environmental information disclosure on corporate green technological innovation. The results show that whether or not to disclose environmental information has no obvious impact on the company"s green technological innovation, while the quantity and quality of disclosure have a significant positive impact. The heterogeneity test results found that the impact of environmental information disclosure on corporate green technological innovation would vary depending on the type of corporate innovation, the degree of pollution, and the nature of property rights. The mechanism test results show that environmental information disclosure can promote the development of corporate green technological innovation activities by alleviating corporate financing constraints and improving corporate operating performance. The conclusion of this article means that further deepening the environmental information disclosure system and strengthening the corporate environmental information disclosure behavior will help the green transformation and development of enterprises.