The invention discloses an outdoor clothes drying rack, comprising a casing, a fixing plate is fixedly connected to the top of the right side of the casing, and through holes communicating with both sides of the fixing plate are opened inside the fixing plate. The inner cavity of the through hole is slidably connected with a sliding plate, the front end and the back end of the right side of the sliding plate are fixedly connected with a connecting plate, and the right end of the connecting plate extends to the right side of the fixing plate. The invention adopts through holes, sliding plates, connecting plates, connecting rods, connecting blocks, traction belts, drying rods, threaded rods, first gears, first rotating rods, first belt pulleys, second gears, second rotating rods, The combination of the second belt pulley, the belt and the rotating handle enables the clothes drying rack to be easily extended and shrunk without occupying too much space, which can increase the drying area, greatly facilitate the use of the user, and improve the drying effect of the clothes. The efficiency of the clothing, and it will increase the lighting rate of the clothing and shorten the drying time.