Heat-clearing and Blood-activating Chinese Medicinal Components in Acute Cerebral Infarction

Inclusion Criteria: * Patients with acute ischemic stroke * Patients with fire-heat syndrome * Stroke onset within 48 hours * NIHSS scores range from 5 points to 25 points * Age from forty to eighty,gender not limited * Informed and signed the consent Exclusion Criteria: * Cardiogenic cerebral embolism,stroke caused by other reasons or the unexplained * Patients suitable for thrombolytic therapy(rt-PA,urokinase),or have recieved thrombolytic therapy * Patients suitable for endovascular therapy,or have recieved endovascular therapy * Patients with serious disease of heart,lungs,liver or kidneys（The value of ALT or AST is more than 2 times of the upper limit of normal range,the value of creatinine is more than 1.5 times of the upper limit of normal range，asthma or COPD,or cardiac function level 4） * Patients with bleeding or bleeding tendency recently * Pregnant or lactating women * Pre-existing limb dysfunction, psychiatric diaseses，or cognitive dysfunction that could confound the study results * Patients with allergic constitutions,or have the contraindication of Ixeris of sonchifolia Hance components(KDZ injection) or Panax notoginseng saponins components(Xueshuantong injection) * Patients have participated in other clinical trials within 3 months