介绍小波神经网络的基本原理。利用遗传算法来优化小波神经网络,达到提高逼近精度,简化网络结构,提高收敛速度的目的。通过实验将其与传统的小波神经网络进行比较,证实前者具有更优的网络结构,更高的逼近精度。-Introduce the basic principles of wavelet neural network. The use of genetic algorithms to optimize the wavelet neural network to improve the approximation accuracy, simplify network structure, to improve the convergence rate for the purpose. Experiments with the traditional wavelet neural network to compare, confirm that the former has a better network structure, the higher the approximation accuracy.