Abstract: The present disclosure relates to press-fitted decoration tiles installed as finishing materials on an indoor floor surface of a building, an apartment and/or a house is disclosed, wherein a coupling force among decoration tiles is excellent through mutually press-fitted plurality of decoration tiles to prevent the decoration tiles from being distanced and disengaged and to free from adhesive harmful to human body, the press-fitted decoration tiles including a groove unit formed at each one lengthwise marginal circumference and one cross-wise marginal circumference of the rectangular decoration tile, and a lug unit formed at each other lengthwise marginal circumference and other cross-wise marginal circumference of the rectangular decoration tile that face the each one lengthwise marginal circumference and one cross-wise marginal circumference of the rectangular decoration tile.