Pediatric one year and four months can not speak, but the baby can say simple words, may be normal; if you can not vocalize, parents should take the baby to the hospital in time for examination and treatment. In general, the baby 3 ~ 4 months babbling pronunciation, 6 ~ 7 months of age can understand their own names, 12 months of age can say simple words, 18 months of age can use 15 ~ 20 words, say the main members of the family title. Each baby’s development is different and there are some individual differences. 1. If a one-year-old four-month-old baby can’t speak, but can produce simple monosyllabic words, this is usually a normal development, and the baby’s speech may be relatively late, so parents should usually have more interactions with the baby’s speech to stimulate the baby’s opening of the mouth to speak. 2. If a year and four months old baby can not say simple monotone words, it is likely to have hearing, brain, throat muscles developmental abnormalities, at this time parents should take the baby to the hospital as soon as possible to do hearing, laryngoscopy, brain and other tests, timely treatment so as not to affect the baby’s mental development. If there are abnormalities in pediatric pronunciation, you need to seek medical attention to identify the cause and intervene in a timely manner to avoid delays.