The invention discloses an anti-condensation monitoring system for a transformer substation. The anti-condensation monitoring system for a transformer substation includes a controller, temperature sensors and humidity sensors, wherein the temperature sensors include an internal temperature sensor and an external temperature sensor; the humidity sensors include an internal humidity sensor and an external humidity sensor; and the controller is connected with the internal temperature sensor, the external temperature sensor, the internal humidity sensor, the external humidity sensor, a condensation early warning module, a data analysis module, a condensation removing module and a warning module.