《国家卫生健康委员会中国结直肠癌诊疗规范（2025 版）》在循证医学基础上，融合国际前沿进展与中国临床实践，对既往版本进行深化拓展。本文为规范精简版，保留核心诊疗框架，突出“肛管癌外科治疗”“诊疗新技术新进展”等新增内容，系统归纳外科、内科、放疗、影像、病理五大板块核心要点，便于临床医师快速掌握规范精髓，推动结直肠癌诊疗的标准化、精准化与同质化。

The “National Health Commission of China：colorectal cancer diagnosis and treatment guidelines （2025 edition） ” builds upon evidence‑based medicine, integrating international cutting‑edge advancements and Chinese clinical practices to deepen and expand previous versions. This article presents a standardized and streamlined version, retaining the core diagnostic and therapeutic framework while highlighting newly added content such as “surgical treatment of anal canal cancer” and “new technologies and advancements in diagnosis and treatment.” It systematically summarizes the key points of five major sections: surgery, internal medicine, radiotherapy, imaging, and pathology, facilitating clinicians′ rapid grasp of the essence of the guidelines and promoting the standardization, precision, and homogenization of colorectal cancer diagnosis and treatment..