The utility model discloses a comprehensive calibrator for a two-position switch valve. The calibrator comprises a shell, an operation panel arranged on the shell and a circuit board arranged in the shell, the operation panel is provided with an aviation connector used for being connected with a return switch on the valve, an electromagnetic valve output interface I and an electromagnetic valve output interface II, wherein the electromagnetic valve output interface I and the electromagnetic valve output interface II are connected with an electromagnetic valve on the valve. A single-chip microcomputer, an electromagnetic valve driving module I, an electromagnetic valve driving module II and an opening and closing information reading module are arranged on the circuit board in an integratedmode. The input end of the on-off information reading module is connected with the aviation connector. The output end of the on-off information reading module is connected with the input end of the single-chip microcomputer. The output end of the single-chip microcomputer is connected with the electromagnetic valve driving module I and the electromagnetic valve driving module II, and the output end of the electromagnetic valve driving module I and the output end of the electromagnetic valve driving module II are connected with the electromagnetic valve output interface I and the electromagnetic valve output interface II respectively.