Cough with teeth grinding in children is usually two separate symptoms. Coughing in children may be related to respiratory allergies, infections, etc. Teeth grinding is usually considered to be related to malocclusion and stress. Coughing in children indicates that the airway has been stimulated by a reflex. There are many reasons for coughing, such as respiratory tract infections or allergies, cold, irritating odors, or choking when drinking milk. Teeth grinding in children is mostly related to poor dental occlusion, mental excitement, nervousness, anxiety or overwork during the day, learning stress, etc. Usually no special treatment is needed, adjusting the mentality and relieving stress after relief. It is recommended that when a child has a cough with teeth grinding, take the child to the hospital as soon as possible to identify the cause of the disease and take targeted treatment.