The child has a strong cough while sleeping, need to take different methods to relieve the symptoms according to different causes: 1, if the child is caused by the air environment is too dry, parents can use a humidifier humidifier, so that the environment to achieve the appropriate humidity to relieve the symptoms. 2, if the child is caused by allergies, need to stay away from allergens, but also need to take loratadine and other antiallergic drugs to relieve symptoms. 3, if the symptoms are more serious, need to take dihydroxypropyltheophylline and other dilatation of the airways to relieve the symptoms. If the symptoms are more serious, you need to take dihydroxypropyl theophylline and other drugs to dilate the airways to relieve the symptoms. 3, if it is due to inflammation, you can take cefixime granules for anti-inflammatory, antiseptic treatment. 4, let the child drink warm water, moistening the throat to relieve the symptoms of coughing, or let the child to eat contains water is relatively large, and has the effect of clearing the throat, such as pears, to relieve the symptoms.