In the system, teachers can input the idioms and characters into database. The system will search similar characters by the radical information; also the number of problematic strokes between each teacher¡¦s written characters will be used to calculate the similarity.

        Some games are also searched the character with similar sound. The returned similar characters will be displayed in sorted order, highest similarity value with highest priority, of the value of the similarity value. In the returned similar characters, some characters are not returned as teacher likes, so teachers can choose the correct similar characters as they want and save into database.

        For the students, they can choose the games that created by the teachers. The system will generate the questions automatically by the pre-searched similar characters. For the wrong options, the system selected the position of character and its similar characters from database randomly.