The clinical manifestations of pediatric facial nerve palsy are as follows: 1, one side of the eyes can not be closed, the corner of the mouth to the side of the skewed, such as eating or talking to the corner of the mouth is skewed; 2, less common is the bilateral facial nerve paralysis, manifested by the inability to close the eyes, the loss of facial expression, such as letting the child smile or cry, the eyes closed with the corner of the mouth skewed symptoms are more obvious; 3, the facial nerve paralysis may occur after trauma, but this is usually a history of trauma, generally not diagnosed as facial nerve paralysis. Facial nerve palsy may occur after trauma, but this is usually the history of trauma, usually not diagnosed as facial nerve palsy. It is mainly based on the child’s pre-infection, i.e., whether there is a cold or fever in the first few days, and then gradually appearing tilted mouth and eyes, doing smile, crying, or clenching teeth and other actions appearing tilted corners of the mouth and other manifestations, and then make a preliminary clinical diagnosis.