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随着近年来人们健康意识的提高和医疗诊断技术的发展，早期胃癌的诊断率逐年上升。虽然根治性手术具有良好的治疗效果，但如何在追求肿瘤根治的同时，最大限度地保留胃的正常解剖和功能，改善患者的生活质量，成为治疗早期胃癌更需关注的问题。功能保留性胃切除术是在保证根治性淋巴结清扫的前提下，通过减少胃切除范围、保留幽门、保留迷走神经等方式充分保留胃功能，具有提高患者生活质量的优势，对治疗早期胃癌具有巨大潜力。但是，目前尚无功能保留性胃切除术后的功能评价标准，临床上多通过生活质量量表进行评价，具有较高的主观性。通过内镜、血液学检查等客观手段的评估，虽然能够提示功能重建带来的生活质量获益程度，但是循证医学证据等级有限。因此，本文通过探讨功能保留性胃切除术的评价、术后并发症、术后营养状况、辅助检查等项目在胃功能评价的研究现状，对今后本领域研究方向进行分析与展望。“,”With the increase of people's health awareness and the progress of medical diagostic technology in recent years, the diagnosis rate of early gastric cancer is increasing year by year. Although radical surgery has good efficacy, how to maximize the preservation of the normal anatomy and function of the stomach and improve the quality of life of patients in the pursuit of radical surgery has become a more important issue in the treatment of early gastric cancer. Under the condition of ensuring radical lymph node dissection, function-preserving gastrectomy can fully preserve gastric function by reducing the resection extent and preserving the pylorus and the vagus nerve, which has advantage of improving quality of life and has great potential in the treatment of early gastric cancer. However, there is no functional evaluation standard for function-preserving gastrectomy at present. Most of the patients are evaluated by quality of life scale, which is relatively subjective. Even though the evaluation of endoscopy, hematology and other objective means can indicate the benefit degree in quality of life brought by functional reconstruction, the evidence level is limited. Therefore, this paper discusses the research status of function-preserving gastrectomy evaluation, postoperative complications, postoperative nutritional status, auxiliary examination and other items in the evaluation of gastric function, and analyzes the prospects of research direction in this field.