An excreta disposal apparatus comprising: a male module, and a body, the body comprising: a seating portion having a shape corresponding to a curved shape of genital area and buttocks of a human body and comprising disposal spaces (T1, T2) which are open toward the direction of the genital area and the buttocks of the human body so as to take excreta discharged from the human body, wherein the disposal spaces (T1, T2) include a excrement disposal unit and a urine disposal unit, a main body unit connected to the seating portion so as to be mounted between legs of the human body and has an accommodation space therein, and a discharge channel provided in the accommodation space and communicating with the disposal spaces (T1, T2) so as to discharge the excreta in the disposal spaces (T1, T2) to the outside; a spray unit exposed to the disposal spaces (T1, T2) and configured to spray washing water; and a flow channel switching unit provided in the accommodation space and configured to supply the washing water introduced from the outside to the spray unit, wherein the male module is detachable from the body and partitions the urine disposal unit and the excrement disposal unit to separately dispose urine and excrement, wherein the male module comprises: a genital insertion unit having the urine disposal unit therein, the genital insertion unit is formed so as to surround a circumference of male genitalia, and a connection unit configured to connect the genital insertion unit to the body, wherein the spray unit comprises an auxiliary nozzle provided in the connection unit and configured to spray the washing water to the excrement disposal unit. a male module, and a body, the body comprising: a seating portion having a shape corresponding to a curved shape of genital area and buttocks of a human body and comprising disposal spaces (T1, T2) which are open toward the direction of the genital area and the buttocks of the human body so as to take excreta discharged from the human body, wherein the disposal spaces (T1, T2) include a excrement disposal unit and a urine disposal unit, a main body unit connected to the seating portion so as to be mounted between legs of the human body and has an accommodation space therein, and a discharge channel provided in the accommodation space and communicating with the disposal spaces (T1, T2) so as to discharge the excreta in the disposal spaces (T1, T2) to the outside; a seating portion having a shape corresponding to a curved shape of genital area and buttocks of a human body and comprising disposal spaces (T1, T2) which are open toward the direction of the genital area and the buttocks of the human body so as to take excreta discharged from the human body, wherein the disposal spaces (T1, T2) include a excrement disposal unit and a urine disposal unit, a main body unit connected to the seating portion so as to be mounted between legs of the human body and has an accommodation space therein, and a discharge channel provided in the accommodation space and communicating with the disposal spaces (T1, T2) so as to discharge the excreta in the disposal spaces (T1, T2) to the outside; a spray unit exposed to the disposal spaces (T1, T2) and configured to spray washing water; and a flow channel switching unit provided in the accommodation space and configured to supply the washing water introduced from the outside to the spray unit, wherein the male module is detachable from the body and partitions the urine disposal unit and the excrement disposal unit to separately dispose urine and excrement, wherein the male module comprises: a genital insertion unit having the urine disposal unit therein, the genital insertion unit is formed so as to surround a circumference of male genitalia, and a connection unit configured to connect the genital insertion unit to the body, a genital insertion unit having the urine disposal unit therein, the genital insertion unit is formed so as to surround a circumference of male genitalia, and a connection unit configured to connect the genital insertion unit to the body, wherein the spray unit comprises an auxiliary nozzle provided in the connection unit and configured to spray the washing water to the excrement disposal unit.