Aspects relate to improved floor boards. Certain embodiments may be laid and fixed without the need for fixing with adhesive or nails. Example floor boards are convenient for use and simple in structure, and after a decorative strip is adopted, it further has the advantage of good decorative effects. In one embodiment, a floor board includes a four-sided surface board connected to a four-sided base board. In one embodiment, positions of board-shaped hooking tongues on two edges of the base board body and positions of board-shaping hooking tongues on two other edges of the base board body are arranged in a staggered manner, and the positions of buckles on two edges of the base board body and the positions of buckles on two other edges of the base board body are arranged in a staggered manner.