Patients with facial paralysis experience substantial physical, psychological, and social disability. A rising field of rehabilitation science of neuromuscular reeducation may provide opportunity for the recovery of facial movement and functional performance of patients with disorders of facial paralysis or facial movement control. Through this book a short summery of the structure and performance of the facial neuromotor system, the neuropsychology of facial expression, evaluation and outcome measures, and explanation for facial neuromuscular reeducation is provided.