For the baby voice repeatedly mute nor fever nor cold nor cough, if it is caused by crying, etc., then pay attention to drink more water, no special treatment; if it is pharyngitis, vocal cords, etc., then need to be treated. When the child has no fever and cough and cold voice is still repeatedly mute, first of all, we must pay attention to the child in the voice before the mute whether there is often crying, loud hissing, etc. Parents can let the child to reduce the frequency of roaring and crying, and let the child to drink more water, to give the vocal cords enough time to rest. However, if the child’s mute voice is still not effectively relieved, it may be tonsillitis, pharyngitis, vocal cord damage and other diseases caused by the need to consult a doctor in a timely manner.