Dustproof geotextile fixer

The utility model provides a dustproof geotextile fixator which comprises an outer component, the outer component is of an inverted-U-shaped structure, and a stabilizing mechanism is arranged on the inner side of the inverted-U-shaped structure. The stabilizing mechanism comprises a dowel bar and a supporting leg, the dowel bar upwards penetrates through the top of the outer component, the lower end of the dowel bar is hinged to the supporting leg, a limiting hole is formed in the side edge of the outer component, and the supporting leg is arranged in the limiting hole in a penetrating mode. The dustproof geotextile fixing device has the advantages that after the dustproof geotextile is laid, the fixers are installed at the lap joint position and the angular point position of the geotextile, and the geotextile is fixed; after the outer component is inserted into soil, the top plate is knocked to enable the supporting legs to move obliquely and downwards, the fixator is further stabilized, and the situation th