This paper presents a forecasting model of runoff to Wuyandong subterranean stream system by BP ANN based on the data of precipitation and flux in Luota, west Hunan.

• 摘要采用湖南洛塔地区屋檐洞地下河系统降水－径流资料训练BP人工神经网络，建立了该系统的径流预测模型。