Human Umbilical Cord Mesenchymal Stem Cell Therapy (19#iSCLife®-CI) for Cerebral Infarction Patients in Convalescent Period.

Inclusion Criteria: * proved cerebral infarction by CT or MRI. * no cerebrovascular disease before * signed informed consent form Exclusion Criteria: * serious body and intracranial lesions (tumor, infection, etc.) * patients repeated cerebral infarction attacks * multi-foci of cerebral infarction * history of drug dependence and mental disease * disturbance of consciousness and non-compliance patients * subjects who are HIV positive * pregnant or lactation * donor: HIV infected, Active hepatitis B/C infected, Syphilis antibody positive * subjects/ donor: alcoholism, drug addicts or mental disease