The subject wants to ask, "Do letters belong to modern educational technology?" Belong to. Modern educational technology puts a large number of abstract letter symbols into it by optimizing the picture, sound and language environment, which fully embodies the language function. Letters belong to modern educational technology. The requirements of applying modern educational technology are: according to different teaching contents and tasks, choosing different modern educational technologies is conducive to giving play to the leading role of teachers, adapting to the characteristics of students, and combining audio-visual with thinking.