1967, IBBY (IBBY) designated this day as "International Children's Book Day" to arouse people's love for reading and attention to children's books.

20 10 international children's book day is hosted by Spain with the theme "a book is waiting for you, find it!" 》。

As of 20 10, ibby has 70 national chapters. Every year, 1 national chapters are selected to hold the "International Children's Book Day", and the theme of the year's activities is determined, and domestic outstanding writers and famous illustrators are invited to write short articles, design posters, publicize books for children all over the world and promote reading. At the same time, many national chapters also promote "International Children's Book Day" through media, schools, public libraries and other activities, and organize various activities, such as meeting writers and illustrators, writing competitions or announcing book prizes.

20 10 "international children's book day" is sponsored by the Spanish chapter. The essay was written by the famous Spanish writer Elia Cancino, and the poster was designed by the famous illustrator Noemi Vera Moussa. The design of the poster is very creative. In the center of the red background is a stout tree with books "growing" at the ends of branches. A child crawled among the branches, reading a book he found. The lines are concise and the theme is prominent. The top and bottom of the poster are marked with the theme and date of International Children's Book Day and 20 10 in English and Spanish respectively.

Ibby, headquartered in Basel, Switzerland, was founded in 1953. It is a non-governmental non-profit organization in consultation with UNESCO and UNICEF, and has an authoritative position in the field of international children's book publishing and research. 1986, China officially announced its participation in this organization. China Branch was established in June, 1990.