The utility model provides a flush toilet with a wash basin. The flush toilet comprises a flush toilet body. The upper portion of the flush toilet body is provided with a water tank, an upper cover of the water tank is provided with a platform and a groove connected with the platform. The lower portion of the groove is provided with a drainage hole. The groove is communicated with the water tank through the drainage hole. The platform is provided with a valve mounting hole. A valve is arranged on the valve mounting hole and communicated with a water inlet pipe. The flush toilet with the wash basin integrates the wash basin and the flush toilet body, water used for washing hands can flow into the water tank to be reused, and water resources are fully utilized; no wash basin needs to be arranged separately, and the mounting cost is reduced.