In the hypercoagulable phase of disseminated intravascular coagulation, it is most commonly seen as a clear thrombus, which is mainly present in the small vessels of the microcirculation, and is often only visible under the microscope, and it is mainly composed of eosinophilic homogeneous fibrin, so it is also called a microthrombus or a fibrin thrombus. However, often in clinical treatment, will not go to overemphasize this thrombus, what type of thrombus, but its therapeutic strategy is mainly in the hypercoagulable phase, embolism, with some low molecular heparin to intervene, and then after the hypercoagulable phase, into the fibrinolytically active phase or the bleeding phase, and may be able to transition to give him supplemental coagulation factors or coagulation material-based strategy. So, the focus is on the clinical status of the patient in which period to focus on where the main manifestations of his coagulation dysfunction are.