Psychological problems require a special handling that is usually carried out by a psyvhologist through a consultancy. reasoning system or expert systems for psychological counseling, it is possible to developt. this paper will describe the process of data mining to build a pattern of knowledge from psychological cosultation notes that will be used to develop an expert system in the next step. the process uses rapidminer 4.0 software with decision notes tree and rule learner methods. the results of the process of data mining by decision tree shows that the datav converge on the type of action ass (assistance). the results of the data mining method by the rule learner managed to find a pattern of knowledge of rules 15 rules.