Teaching desk system in classroom

The utility model discloses a teaching desk system in a classroom. The teaching desk system comprises a plurality of transverse two-track rails, a plurality of vertical two-track rails and a plurality of desks in the same size, wherein the transverse two-track rails and the vertical two-track rails are uniformly paved on the ground of the classroom, the desks slide on the transverse two-track rails and the vertical two-track rails, and the transverse two-track rails and the vertical two-track rails are intersected to form a net layout. The distance between two tracks of each transverse two-track rail is the distance between the center lines of front and rear legs of each desk, and the distance between two tracks of each vertical two-track rail is the distance between the center lines of left and right legs of each desk. The teaching desk system is simple in structure, the desks can easily transversely and vertically move on the tracks by arranging rail nets intersected transversely and vertically on the groun