The invention discloses a monitoring camera fixing seat for firefighting. The monitoring camera fixing seat comprises a firefighting helmet, a dust removal structure, a camera body, a protective shell, cleaning sponge, a supporting rod, a threaded ring, a rotating block, a clamping block, a first spring, a guide rod, a mounting structure and an adjusting structure. The monitoring camera fixing seat has the beneficial effects that the lens of the camera body is protected through the transparent protective shell fixed at one end of the lens of the camera body, and in order to prevent dust from being attached to the camera body to influence the shooting work of the camera body, a threaded ring is in threaded connection with the outer side of the rotating block by rotating the rotating block rotationally connected with the protective shell; a supporting rod rotationally connected to the threaded ring is rotated by rotating a rotating block, cleaning sponge is fixed to the outer portion ofthe supporting rod and abuts against the protective shell, the supporting rod drives the cleaning sponge to rotate to wipe and clean the surface of the protective shell, the threaded ring is rotated to slide on a rotating block, and the abutting tightness degree of the cleaning sponge and the protective shell is changed.