Light wall trowel

The utility model relates to the technical field of construction tools, in particular to a light wall trowel. The light wall trowel comprises a handle and a trowel plate, the handle is connected with the trowel plate, one side of the trowel plate is provided with a first convex part and two second convex parts, the first convex part is arranged in the middle of the trowel plate, and the edge of the first convex part and the inner wall of a groove of a partition wall splicing face can form a first channel; the second convex parts are arranged on the two sides of the patter, limiting parts are arranged at the included angle positions of the second convex parts and the patter, the top faces of the limiting parts and the second convex parts are used for abutting against calcium silicate plates on the two sides of a plate body, and the limiting parts, the patter and the first convex parts jointly form a second channel. The first channel and the second channel can limit the thickness of slurry at the splicing face