本文论述了自制汉字库的基本原理和具体制作步骤。并利用89C51 作为主控CPU，通过TFT控制板来点320240液晶屏。给出了在液晶屏上显示“国”字过程。-This article discusses the basic principles of self-made Chinese character library and the specific production steps. Using 89C51 as the host CPU, through the control panel to point 320 240 TFT LCD screen. Given in the LCD screen to display the " national"　character process.