The cause of the child’s dry, itchy throat and dry cough is considered to be due to acute pharyngolaryngitis; the manifestation of allergic reaction, related to personal constitution; it may also be due to lung infection, related to bacterial or viral infection. 1. Acute pharyngolaryngitis: due to bacterial or viral infection, resulting in acute inflammation of the mucous membrane of the throat, submucosal tissues and lymphatic tissues, showing symptoms of dry, itchy throat and dry cough, accompanied by sore throat, hoarseness and other discomforts. 2. Allergic reaction: due to the child belongs to the allergic body or the body immunity is relatively low, when contact with allergens or allergic environment will be prone to allergic reaction, showing the above symptoms. 3. Lung infection: Due to the relatively low immunity of the child, when the adverse environment or improper care, etc., may lead to the emergence of lung infections, showing the above symptoms, accompanied by varying degrees of fever, etc. The child’s throat is dry and itchy, dry and coughing. The child’s throat dry itchy dry cough, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.