Childhood is the best stage to develop children's language ability, especially to cultivate children's language organization and expression ability. The teaching thought originated from American educator Carnegie proves that if children are trained in speech, explanation, debate and presiding at an early age, they can enhance their self-confidence and improve their psychological quality, which will have a great impact on their future.

4- 15 years old is a critical period for children's language learning. If the methods and materials are appropriate, language learning in this period is the easiest and most effective. Children's broadcast host mainly covers pronunciation training, recitation, impromptu oral expression, speech, interview host, dubbing and so on. Through systematic and comprehensive training, let children dare to communicate, express boldly and speak fluently.

In the process of broadcasting teaching, encouragement is very important, and it is the basis for children to build self-confidence. At the same time, we should also teach parents this encouraging teaching method, so that parents can help teachers and children build up their self-confidence in speaking and expressing.

At home, parents should praise and encourage their children in time if they complete a task or do something right. Gradually, children will have confidence and become more and more afraid to communicate with strangers.