The invention relates to an anti-corrosion bathroom cabinet with a regulating function, which comprises a cabinet body, a plate, a controller and four supporting legs, wherein a drying mechanism is arranged on the back surface of the cabinet body, a plurality of placing mechanisms are arranged in the cabinet body, the placing mechanism comprises a placing plate, a driving component and tow supporting components, the supporting component comprises a supporting plate and two supporting units, wherein the supporting unit comprises a lantern ring, a sleeve, a screw rod, a sliding block, a supporting rod and a first bevel gear, the drying mechanism comprises a lifting pipe, a heat supply component, a drying component and two lifting components, wherein the drying component comprises a power unit, a plurality of drying units and a plurality of connecting rods, in the anti-corrosion bathroom cabinet with the adjusting function, the height position of the placing plate can be adjusted throughthe placing mechanism, the user can flexibly adjust the height position according to the requirements per se, the inner space of the cabinet body is fully utilized, more than that, the back surface ofthe cabinet body is dehumidified and dried through the drying mechanism, so that the back surface of the cabinet body is prevented from being damaged through water vapor corrosion, and the practicability of the device is improved.