Toilet floor drain structure

The utility model discloses a bathroom floor drain structure which comprises a through pipe pre-buried on the ground of a bathroom structure and a water leakage piece arranged at the water inlet end of the through pipe, the through pipe comprises a flow guide piece, an inner pipe and an outer pipe which are coaxially arranged from inside to outside, the water leakage piece comprises a water leakage shell integrally formed with the inner pipe, and a filter cover is installed on the water leakage shell. A floater balance part is arranged at the water inlet end of the water outlet; a water storage cavity corresponding to the water inlet groove in the surface of the water leakage shell is pre-formed in the periphery of the water outlet; a flow guide cone is arranged in the center of the flow guide piece, the periphery of the flow guide piece sinks towards the flow guide cone to form a flow guide slope, and water passing openings are reserved in the surface of the flow guide slope at equal intervals; the inner pip