Keil C51 软件是众多单片机应用开发的优秀软件之一，它集编辑，编译，仿真于一体，支持汇编,PLM 语言和 C 语言的程序设计，界面友好，易学易用。本文介绍Keil C51软件的使用方法-Keil C51 microcontroller application software is developed by a number of excellent software, which combines editing, compilation, simulation in one, support the assembly, PLM language and C language programming, user-friendly, easy to learn. This article describes the software to use Keil C51.