The text mining technology provides the method and technical support for text analysis. On the basis of the text classification technology of text mining,the construction methods and processes of text preprocessing and text classification model are introduced briefly. Taking the hot issues reflected by power supply service center in power supply service processing as an exam⁃ple,the text automatic classification model of 95598 work orders was established. The rapidly and accurately automatic classifica⁃tion of 95598 work orders was realized with verification. The model can accurately mine the hidden important information in real time,and provide the foundation and data basis to analyze the influence of power supply service on customers′electricity demand.%文本挖掘技术为文本分析提供了方法和技术支持，以文本挖掘中的文本分类技术为基础，简要介绍文本预处理、文本分类器模型构建的方法和过程，并以供电服务过程中客户通过供电服务中心反映的热点事件为实例，建立95598工单文本自动分类的模型，通过验证实现95598工单文本快速精准的自动分类，及时准确地挖掘出隐藏的重要信息，并且为分析供电服务对客户的用电诉求的影响提供依据和数据基础。
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