Abstract: In the actual production, the prediction of wellbore water inflow has larger deviation and affected by various factors, so the main cause of deviation is difficult to determine.Aiming at this situation, based on the systematic analysis of the causes of various errors, combined with the analytic hierarchy process, the evaluation index system for the prediction of the water inflow of the wellbore is established.Combined with the case of Longgu mine in Shandong province, the predictive effect of water inflow is comprehensively evaluated.The results show that the evaluation system has a good applicability and accuracy, which can be used to evaluate the effect of wellbore water inflow prediction, which is of guiding significance for mine drainage system optimization design.