The conflict events that occurred in construction engineering project(CEP) often bring about a lot of adverse affection on project implementation,and show a random character.In order to find out the representing rule of conflict events in CEP,on the basis of investigation,in this paper the representing degree of conflict events in every stage is described with a new concept,i.e.the representing intensity,by combining the quantitative analysis with the qualitative analysis.Then,according to AHP,every stage's judgment matrixes of conflict events are set up,their affection on the whole construction projects from the cumulative results of conflict events in each stage have been analyzed with Latent roots of these matrixes,and the outcome is satisfactory according to the result of consistency test.At last,the distribution of conflict events during the life cycle of CEP has also been described by statistics data of the investigation.The research has obvious theoretic and practical value for forecasting conflict events,mastering the whole project situation,avoiding and reducing conflict events,and improving project management level.