<p>A text data mining method comprises: fetching a preformed template file including at least one template parameter rule; compiling said file into the template objects composed by the regular expressions according to the template parameter rule; scanning the text data to be mined and implementing the data matching according to the template objects; extracting the matched original information among the text data sequentially according to the regular expression; resolving the extracted original information into the data value of assigned data name and data type according to the template parameter rule. According to the present invention, the analysis process for the text data of different types can be implemented just by modifying the template file without relying on developing the program code or using expensive commercialized data mining tool so that the complexity and the cost of the communication network management system are reduced.</p>