The invention relates to a medical convenient folding workbench. The workbench comprises cross rods, a fixed convex contact, a telescopic column, fixed plate grooves, column fixing plates, a column, convex contact sliding channels, a support rod, a horizontal shaft, cross rod grooves, a rotary knob, rotary knob sliding channels, a threaded hole, a telescopic rod groove and a telescopic rod, the column fixing plate is connected to the bottom of the column through the horizontal shaft, the column fixing plate rotates around the horizontal shaft, the fixed plate grooves are formed in each of thefour side walls of the bottom of the column, each fixed plate groove corresponds to one column fixing plate, the column fixing plates are stored in the fixed plate grooves, the telescopic column is arranged in the middle of the column, the cross rod grooves are formed in four surfaces of the top of the column, each cross rod groove corresponds to a cross rod, the cross rods are connected with thetop of the column through the horizontal shaft, the tops of the cross rods are provided with the convex contact sliding channels, the rotary knob sliding channels are arranged on the two side walls ofthe cross rods, and the convex contact sliding channels are communicated with the rotary knob sliding channels. The medical convenient folding workbench is strongly practical and easy to carry and move.