An excreta disposal device is provided, which includes a main body formed with a first disposal space opened in a hip direction of a human body to receive excreta discharged from the human body, and has a storage space formed therein. A male module, in which a second disposal space configured to receive urine discharged from the human body, is formed inside, and an opening unit opened to face the human body of the user is formed on one side of the second disposal space. The second disposal space is formed to be capable of inserting at least a part of male genitalia and is provided in the main body. A suction port is provided in the storage space and communicates with at least one of the first disposal space and the second disposal space to discharge excreta to the outside of the main body.