Effectiveness and Safety of Angongniuhuang Pill on Restoring Consciousness for Patients Who Have Suffered From a Stroke

Inclusion Criteria: * Occurrence of an acute ischemic stroke (between 9 and 72 h after onset) with * A score of not higher than 12 of Glasgow Coma Scale (GCS) * Patient age of between 18 and 80 years. * Patients or their representatives voluntarily take part in this study and signed the informed consent Exclusion Criteria: * Transient Ischemic attack(TIA), cerebral hemorrhage, subarachnoid hemorrhage * Ischemic stroke that needs rt-PA treatment * Subjects who are unlikely to complete taking the investigational product and/or are unlikely to undergo active medical management during that period due to a severe clinical condition. * Pregnant or breast-feeding. * Proven disability by law, such as blindness, deafness, dumb, disturbance of intelligence, mental disorders, limb handicap. * Liable to be allergic (allergic to at lease 2 foods/drugs previously exposed) * Had been participated in other clinical trials during the last 1 month prior to study inclusion.