The utility model provides a suspension cytopathic effect terminal point automatic identification and control system, the system includes viral culture reaction ware, virus results storage tank, electrode probe detecting element, valve actuator unit and discernment the control unit, and electrode probe detecting element's dissolved oxygen detection electrode is electrically connected to discernment the control unit, and discernment the control unit utilizes dissolved oxygen detection electrode to detect out the suspension electrode probe 3 terminal point that dissolves electrode probe 1 electrode probe 2 virus and train the in -process. The utility model discloses the system detects out the oxygen value that dissolves of cell culture environment through dissolved oxygen detection electrode, and through the cytopathic effect terminal point in the discernment the control unit automatic identification virus reproductive process, automatic cooling of the viral liquid of accomplishing and the automatic virus results storage tank of transferring to are cultivateed in control, reduce artificial subjective randomly, the operation flow of investment regime has been confirmed, improve operation the accuracy nature and the promptness on opportunity, the continuity that is favorable to production processes, simultaneously greatly reduced poor between the wholesale of product, the yield of the product is increased.