The invention relates to a miniature electromagnetic switch valve driving controller based on valve core displacement soft measurement, which comprises a power supply module, a DSP control unit, a signal isolator, a driving circuit module, an electromagnetic switch valve, a current acquisition module, a pressure acquisition module and a temperature acquisition module, wherein the power supply module is connected with the DSP control unit, the signal isolator and the driving circuit module, the electromagnetic switch valve is connected with the driving circuit module, the current acquisition module, the pressure acquisition module and the temperature acquisition module, and the current acquisition module and the temperature acquisition module are connected with the DSP control unit. According to the invention, three-voltage driving is adopted, the duty ratio of a low-voltage high-frequency signal can adapt to changes of external supply pressure, the controllable range of the duty ratio can be widened, the precision of adapting to working condition changes is improved, the dynamic response characteristic of the electromagnetic switch valve is improved, the stability of a hydraulic system is improved, and energy loss is reduced.