Children often speak loudly voice mute, may be due to vocal cord congestion, you can drink more water, pay attention to rest can be relieved. But if it is induced acute laryngitis, acute pharyngitis and other diseases, need to take medication for the cause. 1. Vocal cord congestion: When children speak loudly for a long time, it will lead to excessive congestion and edema in the pharynx, which will cause vocal cord congestion and mute voice. In such cases, you should make sure that the vocal cords get enough rest and avoid shouting. Drink more warm water as appropriate to keep the throat moist. 2. Acute laryngitis: children often speak loudly voice mute may cause acute laryngitis. The child needs to be nebulized inhalation of glucocorticoid drugs, such as budesonide, under the guidance of the doctor. Or oral ibuprofen, acetaminophen and other pain medication. 3. Acute pharyngitis: children often speak loudly voice mute is also considered to be caused by acute pharyngitis. Need to follow the doctor’s instructions to use warm saline gargle. If there is a bacterial infection, you need to take oral antibiotics, such as cefaclor, azithromycin and so on. There are many reasons why a child’s voice is often muffled, and parents are advised to bring their children to the doctor so that the cause can be clarified.