Point-of-care testing(POCT)refers to the fact that it can not be limited by places,which has the advantages of easy carrying,simple operation and rapid determination.At present,the methods used in POCT blood coagulation instrument mainly include electrochemical method,biosensor method,immunochemical method and mechanical method and so on,which have their own characteristics and advantages,and they are gradually applied to blood coagulation routine test,coagulation factor determination,platelet function determination and anticoagulation monitoring.This review focuses on the principles,characteristics,application status and prospects of blood coagulation POCT technology at home and abroad.