Passenger train flatness adjusting and repairing tool and adjusting and repairing method thereof

The invention provides a passenger train flatness adjusting and repairing tool and an adjusting and repairing method thereof. The device comprises a supporting mechanism and a force applying mechanism, the supporting mechanism comprises a supporting frame, a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are arranged at the two ends of the supporting frame and slidably connected with the supporting frame, a first magnetic connector is arranged on the first fixing frame, and a second magnetic connector is arranged on the second fixing frame; the force application mechanism comprises a force applicator and a driver pushing the force applicator to do reciprocating linear motion, the driver is arranged on the supporting frame, and the force applicator is detachably connected with the driver. The supporting mechanism is fixed to the surface of the passenger train, and the fixing position of the supporting mechanism can be adjusted so that the requirement for differ