The utility model discloses a detachable reusable wind prevention and sand fixation system. The device comprises a metal or plastic porous screen plate, the hole diameter of the screen plate is 2 to 100mm; hole spacing of 2-200 mm, the ventilation rate is kept in a range of 30 to 60 percent; the screen plates are connected through right-angle hinges of a double-lug structure to form a grid shape.The size of each grid is 1m * 1m-10m * 10m; the height of each hinge is 20-100 cm, the height size of each hinge is matched with the height of the screen plate, two adjacent square grids are hooped and clamped on the fixed stand column between the hinges through metal hoops, the stand column is made of steel bars or steel pipes with the diameter of 10-100 mm, and therefore the three-dimensional honeycomb-shaped wind prevention and sand fixation system is integrally formed. According to the utility model, the product is endowed with good wind prevention and sand fixation performance, can be repeatedly recycled, greatly prolongs the service life of the product, is simple and light in installation and construction, and reduces the engineering construction difficulty.