LASER LEVEL METER

A laser level meter, comprising a housing, wherein a laser assembly is mounted on the housing, the lower end portion of the housing is further provided with an end cover, the end cover is recessed towards the interior of the housing to form a cavity, and an air suction port is provided in the cavity. The laser level meter further comprises a suction device arranged in the housing, wherein the suction device comprises a fan, and the fan rotates so as to suck air between the cavity and a mounting surface of the laser level meter from the air suction port.