Three-year-old babies do not speak, may be related to hearing impairment, brain damage, dysarthria and other reasons, can follow the doctor’s advice to actively treat the primary disease, to be speech rehabilitation training, more communication with the child to guide the baby to speak. If the baby has hearing impairment, it can be treated under the guidance of an ENT doctor with targeted treatment such as surgery or wearing hearing aids. If your baby has a brain injury, he or she may need targeted training under the guidance of a rehabilitation specialist. If there is an abnormality in the oral muscles that causes dysarthria, the baby can be given targeted training under the guidance of a pediatrician. Some babies due to the lack of parental accompaniment, lack of verbal stimulation, may also lead to three years old do not speak, parents usually have to communicate with the baby, encourage the child to talk more, read to the child to increase vocabulary, take the child to listen to songs, do some a question and answer game, read some simple jingles and so on. If your 14-month-old baby is still unable to consciously call mom and dad, it is recommended that you seek medical treatment in a timely manner, rather than delaying treatment until the age of three. Because the earlier the treatment tends to be more effective.