An excreta disposal device including a male module formed with an opening unit facing a human body according to the present invention includes a main body which is 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, an opening unit opened to face the human body of the user is formed on one side of the second disposal space and the second disposal space and formed to be capable of inserting at least a part of male genitalia and provided in the main body; and a suction port which 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.