The invention discloses a floor drain device for toilet, which comprises a floor drain body, wherein, a panel is arranged on the top of the floor drain body, a cover plate is arranged on the top of the panel, and several water leakage holes are arranged on the top of the cover plate. , the inside of the cover is provided with a groove, the groove is provided with a number of leakage holes 2, the top of the inner bottom of the groove is provided with a handle, and the bottom of the cover is provided with several support plates, The inner side of the support plate is provided with a card slot, the inner side of the panel is provided with a water leak, the inner side of the water leak is provided with a card plate, the card plate matches the card slot, and the bottom of the water leak is provided There is a water leakage port, and the water leakage port is matched with a sealing plug one, a switch is arranged on the top of the sealing plug one, and a rotating shaft one is arranged inside the sealing plug one. Beneficial effects: ensure that the indoor air quality will not be affected, and it is easy to clean and maintain, and can be used effectively for a long time.