为准确预测管道腐蚀速率并得到精度较高的腐蚀速率预测模型，采用已有统计数据作为研究对象。首先，采用三次指数平滑法，建立管道腐蚀速率预测模型，对腐蚀速率数据进行拟合与预测分析;然后，得出预测模型中最合理的权重系数α;最后，通过与一次指数平滑法、二次指数平滑法进行对比分析，得出了三次指数平滑法预测精度较高，预测值与实际值相符合的结论。结果表明，三次指数平滑法预测模型符合管道腐蚀速率的特点，对有效预测管道腐蚀具有一定的参考价值和指导意义。

In order to predict the pipeline corrosion rate accurately and get high precision of corrosion rate forecasting model, the existing experimental data were considered as the research object. Firstly, the cubic exponential smoothing method was used to establish pipeline corrosion rate forecasting model to fit and forecast the data of the corrosion rate. Secondly, the most reasonable weight coefficient α in the prediction model was obtained. Finally, a comparison with the single exponential smoothing method and the double exponential smoothing indicates that the forecasting precision of the cubic exponential smoothing method was preferable, and the predicted values conformed to the true values. Results show that the cubic exponential smoothing forecasting model is consistent with the characteristics of pipeline corrosion rate, and the method can provide a certain reference and guidance for effective forecasting the pipeline corrosion.