研究了基于AT89C51单片机LCD汉字滚动显示屏的设计与运用Proteus软件的仿真实现。主要介绍了LCD汉字显示屏的硬件电路、汇编程序设计与调试、Proteus软件仿真等方面的内容，本显示屏的设计具有体积小、硬件少、电路结构简单及容易实现等优点。-Of Chinese characters based on AT89C51 microcontroller LCD screen design and the use of rolling Proteus Simulation software. Introduces the character LCD display hardware, assembler programming and debugging, Proteus and other aspects of the software simulation, the design of the screen is small, less hardware, the circuit structure is simple and easy to implement.