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输血是临床上一种常被使用的替代性治疗，目的在于补充血容量、提高血液携氧能力、增强凝血功能、改善循环。随着医学的进步，人们越来越关注输血对患者的免疫功能的影响，目前异体输血存在较大问题，可导致传染病的发生，出现不良反应，加上血源紧张，异体输血越来越局限；自体输血对免疫功能的影响较小，不良反应较少。同时，不同病种的患者因其疾病的特殊性，围术期输血对其免疫功能的影响也不尽相同。“,”Blood transfusion is a commonly used substitute treatment in clinical,which aims to supple-ment the body′s blood volume,increase blood oxygen carrying capacity,enhance coagulation and improve cir-culation.With the advances in medicine,there is growing concern about the blood transfusion influence on immune function of the patient.Currently,there is a big problem in allogeneic blood transfusion,which may lead to infectious diseases and adverse reactions,plus the lack of blood source,the allogeneic transfusion is becoming more limited.However,autologous transfusion has little effect on the patient′s immune function and fewer adverse reactions.Besides,the impact of blood transfusion on the immune function of patients with dif-ferent diseases may vary due to the different natures of the diseases.