It depends on how old the child is. Generally speaking, children around the age of 3 are better at language enlightenment, and it is not appropriate to be premature. The advantage of online learning is flexibility, and you can arrange your children to study according to your own time. It is suggested to choose an online English learning institution suitable for children's age. For example, TomABC teaches English to children according to their age and acceptance. 3-4 years old, cultivate children's interest in language learning, learn initially, pronounce letters, learn daily vocabulary and simple sentence patterns. From the age of 4-5, strengthen natural spelling, establish reading interest, and be able to express your ideas with phrases and simple sentences. 6-7 years old middle class, cultivate independent reading, and gradually form English thinking through learning.