Computer desk

The utility model discloses a computer desk with an adjustable height, which comprises a desk board A and a rack board B. The utility model is characterized in that the computer desk also comprises an elevating structure which is composed of a desk leg frame 1, two desk legs inner tubes 3, two expansion links 2, two V-shaped elastic sheets 4, a circularly made sleeve 5, a clamp fixing piece 6, an axis bolt 7, two positioning latches 8 and changing stopper handles 9. The desk board and the rack board which are arranged in front and behind respectively are locked with the top ends of the two expansion links convexly extended from the desk legs frame. The desk board and the rack board can be elevated or lowered by pulling up or reducing the expansion links from the desk legs frame. The adjustment of the expansion links is decided by the relative position of the clamp fixing parts of the changing stopper handles and the clamp fixing holes of the expansion links.