叙述了地震时埋地管道可能遭受的破坏形式、影响管道震害的因素及破坏等级的划分。论述了用模糊数学法进行埋地管线震害预测的方法和步骤，利用这一方法对忻州市供水管网主干线进行了震害预测，给出了在地震烈度Ⅶ度～Ⅸ度作用下的震害预测结果。 Describes the possible damage forms of buried pipelines during the earthquake, the factors that affect the seismic damage and the classification of the damage levels. The methods and steps of predicting earthquake damage of buried pipeline by using fuzzy mathematics method are discussed. By using this method, the earthquake damage prediction of main line of Xinzhou water supply pipeline network is given, and under the action of earthquake intensity Ⅶ ~ Ⅸ Earthquake damage prediction results.