针对需要进行温度控制的复杂非线性系统，介绍一种基于单片机实现的高精度实用型饮水机温度控制系统。首先介绍了其总体设计方案，然后详细给出了各部分硬件设计电路，简述了其软件设计与实现。-A high precision and applied drinking machine temperature control system based on single-chip computer is presented in this paper for the complicated non-linear system which needs to control the temperature. The use of the software part is simply described.