6-year-old children get up in the morning coughing may be caused by cold air stimulation, may also be caused by chronic pharyngitis, rhinitis and other diseases. 1. Cold air stimulation, 6-year-old children get up in the morning due to cold air stimulation, may lead to increased sensitivity, so may appear cough symptoms. 2. Chronic pharyngitis, 6-year-old children with chronic pharyngitis due to increased secretions in the throat, which may lead to the production of phlegm, so there will be a cough in the morning symptoms. 3. Allergic rhinitis, if the 6-year-old child has allergic rhinitis, rhinitis attack process nasal secretions increase, snot flow into the throat, may appear in the morning cough symptoms. 6-year-old child cough in the morning may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.