The invention discloses a local trajectory fault tolerance method for an intelligent driving vehicle, and the method comprises the steps: step 1, initializing a following mode, and constructing a vehicle coordinate system of the intelligent driving vehicle; step 2, based on the vehicle coordinate system, performing validity judgment on GPS data according to the obtained GPS data to obtain a GPS data validity judgment result; step 3, determining a lane line recognition state according to the GPS data and obtained lane line data, and determining a real fault-tolerant deviation; and step 4, updating the following mode of the intelligent driving vehicle according to the GPS data validity judgment result, the lane line recognition state and the real fault-tolerant deviation, and determining theplanned trajectory of the intelligent driving vehicle according to the updated following mode. According to the method, fault tolerance can be carried out based on each data state, and correspondingdata can be dynamically updated in real time. The method is easy to apply practically, the robustness of data processing can be improved, and the complexity of the system can be effectively simplified.