Fully-sealed auxiliary switch with waterproof binding post

The invention discloses a fully-sealed auxiliary switch with a waterproof binding post. The fully-sealed auxiliary switch comprises an auxiliary switch body and the binding post. A female connector is electrically arranged on one outer surface of the auxiliary switch body; the binding post comprises a connecting assembly and a connector assembly; the connecting assembly comprises a connecting sleeve, a first gasket and a second gasket; the connecting sleeve is detachably matched with the female connector in the axial direction of the connecting sleeve and provided with a first limiting flange; the connector assembly comprises a male connector and a fixing sleeve; the male connector is fixed at one end part of the fixing sleeve and is matched with the female connector; when the connecting sleeve and the female connector are in locking fit, one end of the fixing sleeve and the female connector form sealing clamping on the first gasket; and the outer edge of one end of the fixing sleeve is provided with a second