The development of the Internet has promoted the prosperity of e-commerce, and has a great impact on today's consumers' consumption concepts. For e-commerce platform, this is not only an opportunity, but also a challenge. If we gain advantages in the fierce competition environment, it will become the leader in the e-commerce environment. Corporate social responsibility has a significant impact on the operation and development of enterprises. With the increasing attention of society to corporate social responsibility, social responsibility is gradually becoming an important factor in determining the value of enterprises, which is also the case for e-commerce platforms. In order to provide a new way for the development of e-commerce platform, this paper analyzes the impact of corporate social responsibility on consumer purchasing behavior, and discusses the significance of corporate social responsibility on e-commerce platform.