There are many reasons for children’s hoarseness, such as upper respiratory tract infection, fire caused by dry weather in autumn and winter, coughing, crying, shouting and other excessive use of the voice for a long time can also cause hoarseness. It depends on the cause of the hoarseness. If it is caused by cold, excessive use of voice, fire, etc., it can be cured by itself if it is handled properly. To remove the triggering factors and protect the voice, we can promote recovery: 1. Avoid children crying, shouting and talking too much for a long time to protect the vocal cords from harm, drink more water, eat cool fruits such as pears and apples, eat a light diet and avoid spicy and stimulating foods and foods that are too sweet and salty. 2, the upper respiratory tract infection caused by the voice dumb need to give anti-infection treatment according to the pathogen, consider bacterial infections need to use antibiotics, at the same time can use some throat-clearing drugs, or tablets; consider laryngitis caused by the voice dumb can use nebulized inhalation treatment to avoid laryngitis aggravated by laryngeal obstruction, serious respiratory difficulties may occur or even life-threatening. If there is no obvious cause for the hoarseness of the voice, and it is progressive, not excluding vocal cord or laryngeal diseases, you need to take your child to the ear, nose and throat in a timely manner, improve various examinations, clarify the cause, and carry out symptomatic treatment under the guidance of the doctor.