Indoor decoration smearing equipment

The invention discloses indoor decoration smearing equipment, and belongs to the technical field of indoor decoration, the indoor decoration smearing equipment comprises a base, two fixing frames are symmetrically connected to one side of the top of the base, smearing adjusting assemblies are arranged in the fixing frames, and pressure adjusting assemblies are arranged in the smearing adjusting assemblies; a smearing brush cylinder body is arranged on one side of the top of the smearing adjusting assembly and comprises an inner cylinder and an outer smearing layer, and a pressurizing assembly is arranged between the inner cylinder and the outer smearing layer. According to the paint spraying device, a first threaded sleeve moves upwards to convey air in a first air bag into a first cavity, a second piston can be driven by the first threaded sleeve to move in a plurality of stop blocks along with continuous increase of pressure on one side of the first piston, and under the condition that paint output by a liq