In this dissertion, we describe the way to develop dynamic web pages using mathematical problem bank for the elementary school children in Taiwan. We design a convenient interface so that anyone can generate the mathematical problems with ease. In the web design, we use the php scripting language with xajax library to create many useful javascript functions. In addition, we also use the MySQL database to keep track of informaton of the films containing the problem-solving procedure for each mathematical problem. With the web, we hope to improve the basic arithmetic skill for the elementary school children.