Abstract: This paper introduces the design approaches of a Chinese-character and graphics workstation OOS-80OO which has been developed at the Computer Graphics Research Laboratory, Department of Computer Science and Engineering, Zhejiang University. The specifications, architecture, Chinese-character processing environment and working modes of the workstation are described. Especially the 110 interface with the host computer. the processor unit, the graphics generation and display unit, Chinese-character operating system and some main input modes of Chinese-character codes are introduced in detail.