To inexpensively provide a durable artificial lawn flooring in which recyclability is taken into account.

This flooring used in stadiums such as soccer stadiums, American football stadiums, and rugby stadiums comprises a polyolefine impermeable layer 18, an elastic mattress 1 laid on the impermeable layer 18 and having a core layer 2 composed of the granular material of an agglomerate and a skin 3 surrounding the core layer 2, a plurality of yarn-like components composed of an artificial lawn cover ring 20 laid on the elastic mattress 1 and extending from the base to simulate deep grass of natural lawn, and the sheet-like base having a granular filler material or a granular filler agent dispersed between the yarn-like components to maintain the yarn-like components in a generally upward state. Since the flooring material 10 has a camber like a gradient camber to facilitate draining, it is suitably laid directly on laying foundations 12, 14 flattened beforehand.