This paper uses the data of GEM listed companies in 2015‐2017 to explore the impact of three financing options: equity financing, debt financing and government subsidies on corporate innovation activities. The study found that equity financing and government subsidies will promote innovation activities of enterprises, while debt financing will inhibit the innovation activities of enterprises. Therefore, improve the government's subsidy policy for enterprise innovation, improve the government's supervision, vigorously develop the equity financing market, reduce the level of leverage of enterprises, increase the innovation of listed companies on the GEM, improve China's independent innovation capability, and promote China's innovation drive. Implementation of the strategy.