Disclosed is a bidet with a filter, including a mounting base of the bidet, a filter element, and a seal cover. A mounting channel is arranged on a surface of the mounting base, an inner end portion of the mounting channel is connected to an internal waterway of the mounting base, and both ends of the internal waterway are respectively connected to a water inlet end and a water outlet end of the bidet. The filter element is assembled in the mounting channel, so that a water flow in the internal waterway is filtered by the filter element. The mounting channel connected to the internal waterway is designed on the mounting base of the bidet, the filter element is assembled in the mounting channel, and the mounting channel is movably sealed by the seal cover to prevent water leakage, so that the bidet itself has a filtering function.