An excreta disposal apparatus includes a body comprising a seating unit correspondingly shaped to the curved shape of the genital area and buttocks of a human body, a urine disposal unit corresponding to the genital area, an excrement disposal unit corresponding to the buttocks, and a disposal space open toward the genital area and buttocks to receive excreta discharged from the human body. A main body unit, for mounting between the legs of the human body, is connected to the seating unit and has an accommodation space therein. A discharge channel is provided in the accommodation space and communicates with the disposal space to discharge the excreta in the disposal space to the outside. The body also includes a genital insertion unit, which has the urine disposal unit therein, formed to surround the circumference of at least a part of male genitalia.
