Stroke unit is a medical complex which is mainly composed of neurology department and NICU, sets norms and clear diagnosis and treatment objectives for stroke patients, and is discussed and cared by multidisciplinary professionals such as neurology department, emergency medical center, neurointerventional therapy group, rehabilitation department and neurosurgery. Stroke unit is not a specific therapy, but a scientific management system for stroke patients, which can fully embody the people-oriented medical service concept and the comprehensive treatment with close cooperation of multiple disciplines.