The optional materials for floor tiles are: first, glazed tiles, which are not hard, but beautiful, smooth and transparent; Second, the whole brick is glazed on both sides, which is not only non-slip but also wear-resistant; Thirdly, polished tiles have low water absorption and high hardness; Fourth, vitrified brick, vitrified brick is not only wear-resistant, hard, but also widely used; Five, marble brick, marble brick is natural, resistant to dirt; Micro-crystal brick, micro-crystal brick is exquisite and has strong anti-pollution ability.