针对电力系统负荷预测问题，建立了基于Elman神经网络的负荷预测。提供了源数据，保证了程序的正常运行，预测效果不错。-According to the forecasting of power load, the load forecasting model based on Elman neural network is builded. The original data is provided, which will guaranteed the running of program with better effect.