The utility model discloses a drawing board which comprises a drawing board body and a straight ruler. The two ends of the drawing board body are concaved inwards to form guide grooves, sliding wheels in rolling fit with the guide grooves are arranged at the two ends of the straight ruler, the bottom of the straight ruler is rotatably connected with a guide column, and a ladder-shaped through sliding groove is formed in the position, above the guide column, in the straight ruler. An angle adjusting ruler in the matched shape is movably arranged in the sliding groove and comprises a disc and a ruler body which are fixedly connected, and the disc is movably arranged in the deep area of the sliding groove. The straight ruler can be kept in the horizontal state all the time through the guide grooves, the friction force between the straight ruler and drawing paper on the drawing board body is reduced through the guide column in the vertical moving process of the straight ruler, and the situation that the drawing paper is damaged and scratched by the straight ruler in the moving process is avoided. The angle adjusting ruler is movably arranged in the sliding groove, the ruler body is swung so that angle adjustment can be freely carried out on the ruler body within 180 degrees, the ruler body is integrally arranged, adjustment is flexible, use is convenient, and durability is achieved.