Portable drawing device

The utility model relates to a portable drawing device which comprises a table board, a drawing assembly and table legs, the drawing assembly is installed on the table board, and the table legs are installed below the table board; an upper sliding rod is arranged at the upper end of the table board, and a lower sliding rod is arranged at the lower end of the table board. A limiting piece is arranged on the bottom face of the table board, and a plurality of grooves are formed in the limiting piece. The drawing assembly comprises a vertical rod and a ruler, a first sleeve and a second sleeve are arranged at the two ends of the vertical rod respectively, the first sleeve is arranged on the upper sliding rod in a sleeving mode, and the second sleeve is arranged on the lower sliding rod in a sleeving mode; a third sleeve is arranged in the middle of the vertical rod, and the third sleeve is connected with the ruler. The desk legs are fixed on the desk plate through the inverted U-shaped pieces, and the desk legs a