Repair method and intelligent system for in-service aero-engine fan blade surface integrity improvement

The invention discloses a repairing method and an intelligent system for in-service aero-engine fan blade surface integrity improvement. The repairing method comprises the steps that blades are fed, specifically, the blades are placed in a feeding device according to serial numbers; the method comprises the following steps: distributing an order, inputting a task batch number, a blade graph number, an order number and an order date in blade repair production management and control software of an upper computer, and issuing an order task after the order task is completed: intelligently identifying and deciding a fault, grabbing a blade to an intelligent identification unit by a robot, and carrying out intelligent management and control by an intelligent management and control module according to the identified and extracted blade surface fault feature information; a pure manual polishing operation mode in the original fan blade repairing process is broken through, through an intelligent system, the consistency