Seat Rail for Vehicle

An embodiment seat rail for a vehicle includes a fixed rail having a rail slit therein, the rail slit being extended in a longitudinal direction of the vehicle, a moving rail having a lower end inserted into the fixed rail through the rail slit, the moving rail being movable in the longitudinal direction along the rail slit, and a front screen or a rear screen covering the rail slit and connecting a front end of the fixed rail to the moving rail or a rear end of the fixed rail to the moving rail, respectively, wherein the front screen or the rear screen is configured to perform a winding operation or a releasing operation when the moving rail moves, the winding operation being performed by elasticity of the front screen or the rear screen.