The utility model relates to a portable folding workstation, including platen and landing leg, the landing leg on hinge folding bottom surface of installing at the platen, the platen include that the folding department of first platen and second platen is equipped with locking mechanism through first platen of hinge articulated and second platen, the landing leg include first landing leg and second landing leg, the second landing leg is equipped with the matched with slotted hole from during upwards the telescopic inserts first landing leg down on first landing leg and the second landing leg, be equipped with the positioning screw in the slotted hole, the slotted hole that the positioning screw runs through on first landing leg and the second landing leg in proper order fastens through the nut, the utility model discloses a workstation chooses for use firm, light, corrosion resistant material to make, and collapsible, portable, the space occupancy that significantly reduces improve work efficiency, avoids unnecessary labour extravagant, promotes repairing quality.