Children talk early or late is related to IQ, but it may also be related to hearing impairment, environment and education, and cannot be generalized. 1. Intelligence: If the baby talks very late, there may be some intellectual problems. Babies with backward intelligence are more difficult to concentrate, and they are weak in imitation, making it difficult for them to learn to talk. 2. Hearing impairment: the infant hearing system is relatively fragile, can not withstand the impact of loud volume, if parents do not pay attention to the usual, damage to the baby’s hearing, when learning to speak will be affected. 3. Environment: the baby’s early learning behavior is through imitation, language is also through the daily simulation of pronunciation to learn, if the baby daily lack of language learning environment or learning environment is too complex, then the baby learning is more difficult. 4. Education: In addition to the environment, intelligence and hearing, the education of the family is also very important, when the baby begins to learn to speak, parents can say more and the baby dialog to the simple word structure. Baby talk early or late may also be related to other factors, parents can take the child to the hospital to check whether there are health problems, and then look for other reasons.