Parents need to set an example first, start eating breakfast every day and go home at noon. You can write a small sticker and put it where you can see it. Say hello in English every day. You'll get used to it after a long time, and then change to other stickers. When he can understand two or three hundred English words independently, he can watch English cartoons. He may not be familiar, but he can guess. Mainly how old the child is. The most important thing is to have an English teacher, which parents can do.