详细介绍了一种新型智能微功耗便携电阻焊测试仪，并给出了以单片机构成的智能微功耗测量系统的硬件电路及软件流程，阐述了微功耗系统的设计原则与方法。 A new smart micro power portable resistance welding tester is introduced in detail, and the hardware circuit and software flow of the intelligent micro power consumption measurement system which is made up by single chip microcomputer are given. The design principle and method of the micro power consumption system are expounded.