§1 Blood coagulation Blood coagulatlon system Blood platelet §2 The anticoagulation system 1. Cell reticuloendothelial system 2. Body fluid (1) antithrombin Ⅲ (AT-Ⅲ,liver): (2) Protein C (3) tissue factor pathway inhibitor (TFPI) §3 The fibrinolytic system §4 血管内皮系统 Vascular endothelial cells