Community e-commerce constitutes an innovative business model within the electronic commerce sector. Despite its rapid growth, it is confronted with numerous inherent risks and challenges. This paper explores the essential function of internal audit in the risk management process for community e-commerce platforms and offers recommendations for enterprises to develop effective risk management strategies. Implementing a comprehensive internal audit mechanism enables community e-commerce platforms to better identify and mitigate potential risks, thus enhancing platform security and stability. Consequently, this bolsters user trust and supports the platform's sustainable operations.