Some people usually says,"We have to understand the book——children".In fact ,children is a book which cannot be easily understood,but it not means we don't need to reserch them.We can also understand and recognise children from our views.When reserchers try to find the approach to understand and recognise children,they find that "make a record" is an effect approach to learn more about children,the advantage of "making a record" is, it make a deep diffrence which can help teachers to learn more about childing .