Inclusion Criteria:  Age >= 12 months and < 24 months corrected age at the time of informed consent Diagnosed with cerebral palsy Diagnosed with PVL GMFCS level between II and IV Able to obtain written informed consent from parents (legal representative)  Exclusion Criteria:  Presence of progressive neurological disease Presence of congenital anomaly Diagnosed with Grade 3 or more severe intraventricular hemorrhage Body weight < 5kg Profound intellectual disorder Complication of serious infection such as sepsis Requirement of mechanical ventilation Complication of serious organ failure such as kidney, liver or heart diseases or others and considered to be inappropriate Diagnosed with or suspected of hypsarrhythmia Positive for HBV, HCV, HIV or HTLV-1 Patients who have received cell therapy Patients who have undergone selective dorsal rhizotomy or received botulinum toxin products within a certain period of time