An automatic urine disposal apparatus adapted to detect the presence of feces in a wide range. A detector unit in an automatic urine disposal apparatus has a urination detector 102b and a defecation detector 102c. The urination detector 102b comprises a pair of first electrodes 218a, 218b and the defecation detector 102c comprises a pair of second electrodes 143a and 143b. The pair of first electrodes 218a, 218b and the pair of second electrodes 143a, 143b respectively have regions spaced one from another and extending in parallel one to another and these regions comprise portions 102d and 102e can be wetted with urine or moisture contained in feces.
