Gamification is a new route for public library to carry out children digital literacy education. In some foreign countries, gamification of children digital literacy education covers all children and divided according to different stages, with rich content, multiple forms, cooperation and sharing as their characteristics, and besides, government policy, research and technologies provide insurance for its development.  There are problems in the gamification of children digital literacy education public libraries in our country, including policy, research, age stage, content, form, aims and acting subjects. In a global perspective,more appropriate policies, theoretical researches, clear requirements, resource integration and innovated modes are needed to promote this job.