Children coughing with a voice may be caused by physiological factors; at the same time, it is also a manifestation of many diseases, such as allergic laryngitis, acute pharyngitis, bronchial asthma and other causes. 1. Physiological factors: Due to the underdevelopment of the laryngeal cartilage in children, the laryngeal cartilage may collapse downward when breathing, resulting in the phenomenon of coughing with a sound in the throat. 2. Allergic pharyngolaryngitis: due to allergic reaction after inhaling pollen, animal hair and other allergens, causing spasm of the trachea and bronchial tubes, resulting in a coughing sound in the throat, accompanied by nasal congestion, runny nose and other symptoms. 3. Acute pharyngolaryngitis: when the respiratory tract is infected, due to the mucous membrane of the respiratory tract can appear more secretions blocking part of the airway, resulting in children coughing can also appear in the voice, accompanied by coughing sputum, runny nose and other symptoms. 4. Bronchial asthma: due to the cold, air, exercise and other factors, can trigger an attack of bronchial asthma, bronchial spasm phenomenon, resulting in coughing sound, accompanied by increased respiratory frequency, shortness of breath, dyspnea and other symptoms. It is recommended to go to the hospital in time when coughing with a sound, to clarify the cause of the disease, and then targeted treatment.