The baby language explosion period is usually around two to four years old, when babies have a strong ability to imitate. Different children’s language development time is different, some children will be earlier, some children will be later, but also follow the basic language development law. The precursor to a baby’s language explosion period is a greater liking to open their mouths to vocalize, and a good ability to express themselves when speaking to be able to gain certain information by constantly communicating with others. Between the age of two and four years belongs to the language explosion period, if the child’s language development is relatively slow, parents need to do some correct guidance, usually more communication with the child, take the child out to play with the children, you can also buy some reading and illustrated children’s books to the baby to practice. If parents find that their baby’s language development is later than that of his or her peers, it is recommended that they seek medical evaluation in a timely manner.