Abstract The purpose of this study is to develop a microcomputer based CAI Chinese Pattern Processing System which is designed for implementing a instructional software in Chinese CAI. Some features of this System are: . Use floppy diskette to store the Chinese character . High portability and Compatibility . Easy to set chinese character attributes, such as text size, text path, text inverse, text orientation . Greatly reduce the space of chinese pattern in a chinese CAI instructional software and increase the performance of memory allocation in P.C. system.