The utility model discloses an engineering drawing board which comprises a main ruler, a left sliding handle, a sliding track, a drawing board, an auxiliary ruler, a right sliding handle and an angle gauge, wherein the main ruler is mounted on the upper surface of the drawing board, a main ruler through groove is formed in the middle, the sliding track is arranged on the left side of the drawing board, and the sliding track adopts a cavity structure with an opening at the lower end; a boss is arranged at the left end of the main ruler and embedded into a lower cavity of the left sliding track, and a sliding track through groove is formed in the top of the left sliding track; the left sliding handle penetrates through the sliding track through groove and is screwed into the boss of the main ruler; a drawing board through groove is formed in the right side of the drawing board; the right sliding handle penetrates through the main ruler through groove and the drawing board through groove sequentially, the right end of the main ruler is vertically and glidingly mounted on the drawing board, and the main ruler is perpendicular to the left sliding track and the drawing board through groove; and one end of the auxiliary ruler is fixedly connected with the angle gauge, and the auxiliary ruler is mounted in the main ruler through groove. The engineering drawing board is simple in structure and convenient to assemble and can be used by all students who begin to learn the engineering graphics, the student drawing tool is simplified, and the drawing is more convenient.