<p>A floor assembly is formed by combining a bottom support (1) paved on the ground, a fastening piece (2) fixed on the bottom support (1), and a floor (3) fixed to the fastening piece (2). Mutually fitted insertion or clamping structures are disposed between the bottom support (1) and the fastening piece (2) and between the fastening piece (2) and the floor (3), so that fixing pieces such as screws are not required, and the paving is simple and convenient.</p>
