The utility model discloses a folding vein treatment car, including two sets of X -shaped frames, two sets of X -shaped frames are articulated and continuous through the connecting rod at the middle part, at the extension department installation handle of X -shaped frame with the limit in one side, frame bottom installation universal wheel, frame top and bottom set up the folding rod subassembly, and it includes two horizontal poles and four side levers, and two sets of X -shaped frames are connected respectively with the limit of one side to the horizontal pole, and two side lever length are the same, link to each other in that one end is articulated, and the other end hinges on the horizontal pole, it is square that car shelf location extension rod, extension rod are an open -ended, and the opening both ends hinge at the connection handle's of X -shaped frame an edge and walk around another limit of X driving frame, on another edge of X -shaped frame and the extension rod with should set up the screw by the articulated horizontal position of department, rotatory spiral shell button is installed in X -shaped frame screw, during the expansion, the tray is placed on folding rod subassembly and extension rod, after using, packs up folding rod subassembly and extension rod, occupation space is little, facilitates the use and deposits.