Objective Blood transfusion is a commonly used treatment method in clinic. The slightest mistake of clinical blood transfusion in the operation can cause errors in blood transfusion,threaten patients' transfusion safety,increase economic losses and affect the reputation of the medical institution. Therefore,it is very urgent to improve the safety of clinical blood transfusion. Methods Through the information technology,a safe blood transfusion system was established and applied to clinical blood transfusion...