China’s sharing economy enterprises represented by Didi have been rapidly developed under the support of government policies, but their rapid expansion has also exposed hidden security risks and bilateral disputes between supply and demand. It has received widespread attention from all walks of life in the society. Sharing economy enterprises The social responsibility requirements are urgently needed to be studied. Based on the review of the literature on sharing economy and corporate social responsibility, this paper proposes that sharing economy enterprises should bear the traditional corporate social responsibility and platform social responsibility. The research adopts a single case rooted analysis method, and takes the social responsibility practice of Didi Travel Platform as the research object, and explores the platform social responsibility elements of the sharing economy enterprise. The research conclusion enriches the platform's social responsibility literature and has certain practical significance.