Efficacy Study of Huatuo Zaizao Pills in Improving of Neural Function in Acute Ischemic Stroke

Inclusion Criteria: * Patient must be between the ages of 18 and 70 years. * Patient must be with ischemic stroke and at stroke onset 14th day. * Patient must be with mRS score \<5 at enrollment and mRS score ≤1 before stroke onset. * Symptoms and imaging of CT (computed tomography) or MRI (Magnetic Resonance Imaging) support the diagnosis of ischemic stroke. * Patient must be with 4 ≤ NIHSS ≤16. * Patient must be with Glasgow coma scale (GCS) ≥7. * Only patient with an anterior circulation infarction of Oxfordshire Community Stroke Project (OCSP)classification and atherothrombosis or cardioembolism of modified TOAST classification were accepted. * Patient must understand and be willing, able and likely to comply with all study requirements. * Informed consent must be obtained. Exclusion Criteria: * Patient with severe cognitive impairment who not be able to give voluntary written informed consent or participate in this study. * Maybe not to comply with all study requirements or not be able to participate in this study for regional or social reasons. * Pregnancy, breast feeding and the possible pregnancy during study. * Participating in another medicine or interference study in the same time or at least within 3 months, or enrolled in this study in other location. * Patient with mRS≥5 at enrollment. * Coma patient with GCS\<7. * Patient with severe cerebral function impairment which was not caused by stroke. * Patient with dysphagia, Wyatt score ≥2. * Lacunar infarction. * Patient accompanied with systemic diseases: gastrointestinal hemorrhage, advanced carcinoma, liver malfunction, kidney malfunction, severe dementia or mental disorder. * Unstable patient after receiving thrombolytic therapy. * Cerebral hemorrhage verified by CT or MRI. * History of major operation or trauma within 6 weeks or having a major operation arrangement. * Allergic to one or more components of study medicine. * Receiving study medicine or components of study medicine within 2 weeks.