当今手机已成为日常生活中不可或缺的必须品，好像是人身体的一部分。本设计主要是为了了解和学习手机的工作的基本原理，主要利用stm32微处理器控制GPRS/GSM模块来实现手机的最基本功能，在此基础上再增加蓝牙模块，液晶模块等。对我们学习嵌入式设计有很大的帮助。-Today mobile phones have become an indispensable daily necessities, as if one part of the body. This design was to understand and learn the basic principles of mobile phones, the main advantage of microprocessor control stm32 GPRS/GSM module to achieve the most basic phone functions, based on this additional Bluetooth module, LCD module. Embedded design of our study is very helpful.