PIKE-RAG, developed by Microsoft, is a domain knowledge and reasoning-enhanced generation model designed to augment the capabilities of Large Language Models (LLMs) through knowledge extraction, storage, and inferential logic. Featuring a multi-module design, this model effectively handles complex multi-hop question answering tasks and significantly improves accuracy in industries like industrial manufacturing, mining, and pharmaceuticals. Key advantages of PIKE-RAG include efficient knowledge extraction, robust multi-source information integration, and multi-step reasoning, making it exceptionally well-suited for scenarios demanding deep domain knowledge and complex logical reasoning.