The library in 21'st century features its e-information services. But as well as in the library business, the elementary library is continuously the weakest part because the lack of human resources, material resources, and budget.This article is a case study conducted by some students in National Hsinchu University of Education. According to the experience of helping more than 100 elementary school libraries performing automation in Taoyuan, Hsinchu, and Miali areas in more than 6 years, we synthesize the practical experiences in elementary school library automation. We also hope that this experience of sharing will be helpful for the library professionals and practitioners.