The House of Paperwindmill's Children Books, an institute belonging to the National Taiwan Museum of Fine Arts, is a small house for foreign and domestic picture books. Through the subsidization of service upgrade program, and the collaboration with nongovernment institute, this house was rebuilt in space and renewed in collection since the end of 1995, attempting to improve the overall atmosphere. The team wishes to pour in a brand new innovative idea to create for kids a reading atmosphere full of fantasy and childish delight. With the parents' company, this house allows kids to be soaked in books from all over the world, and thus a reading experience with knowledge and sensibility can be shared both by children and parents. It satisfies the need of people's reading behavior, and consequently becomes the best place for parents and children to read together. This article is trying to introduce The House of Paperwindmill's Children Books, and its idea of space design, collection feature, new appearance and style of the building, and the promoting activity of picture books.