PPTAgent is an innovative system that automatically generates presentations from documents. It employs a two-step process: first, it analyzes patterns from reference presentations, and then it develops a structured outline and creates visually cohesive slides. Additionally, it introduces the PPTEval comprehensive evaluation framework that assesses presentation quality from multiple dimensions. This system provides an efficient and high-quality presentation generation solution using dynamic content generation, intelligent reference learning, and comprehensive quality evaluation without requiring manual labeling of existing presentations. Currently, PPTAgent is open-source on GitHub and follows the MIT license, allowing users to utilize it for free.