Child psychology believes that in the early stage of human development, a certain reaction is most likely to form in a certain period. If we miss this period, it will not be easy to have such an "opportunity" again. This critical "opportunity" is the "critical period". /kloc-before the age of 0/2, children's language develops fastest and the effect of learning language is the best.

During this period, children's mother tongue system has not been established, and it is easy to establish another system similar to mother tongue. Learning another language after the establishment of the mother tongue system should be mediated by the mother tongue. It can be seen that the best time to learn a language is before 12 years old, and a 5-year-old child can certainly learn English.

Because the child's environment is his mother tongue, his study of English will not affect his study of mother tongue. But if your English is not standard and standardized, it will have a bad influence on your future English study, because it is much more difficult to correct a bad habit than to form a good one. Judge the advantages and disadvantages of learning English. According to children's interest in English. If we teach them by adults or schools, it will stifle children's interest in learning. Therefore, instead of focusing on memorizing a few words and knowing a few sentences, we should cultivate children's interest in English, which is the foundation of success. If the child is interested, the advantages outweigh the disadvantages; If they are not interested, the disadvantages outweigh the advantages.