Anemia and coagulopathy are frequently presented in critically ill patients on the intensive care unit. Scientific use of blood products assist the treatment of critically ill patients. However, life-threatening adverse effects are also a risk. In 2020, the European Society of Critical Care Medicine (ESICM) published a clinical practice guideline on transfusion strategies for non-bleeding critically ill adults in an attempt to resolve the transfusion strategy problems of relevant critically ill patients. This paper interprets the key contents in order to assist Chinese clinicians for better understanding and using of the guideline.