输血是临床抢救患者生命的重要手段,更是当患者因失血而危及生命时不可替代的唯一手段。而输血科的首要任务是保证输血安全,为临床提供安全有效的血液制品。输血前必须做3项试验:ABO,RhD血型鉴定,不规则抗体筛查及交叉配血。在临床工作中常遇到疑难配血,通过输血科能查找到疑难配血原因,找到配合型血液。但偶尔也会遇到多袋交叉配血不相容而患者必须输血治疗 Blood transfusion is an important means to rescue patients’ lives in clinic, and is the only irreplaceable means when patients suffer from blood loss. The main task of blood transfusion department is to ensure the safety of blood transfusion to provide safe and effective blood products for clinical. 3 tests must be done before transfusion: ABO, RhD type identification, irregular antibody screening and cross-matching. Often encountered in clinical work with difficult blood, blood transfusion can find the cause of difficult blood distribution, to find the type of blood. Occasionally, however, multiple bags of blood are incompatible with each other and the patient has to be transfused