To provide a simple toilet in which an excreta storing bag can be easily and surely attached on a toilet bowl.

In the simple toilet in which the excreta storing bag (15) is freely detachably disposed on the toilet bowl (9), a binding string (17) for binding the excreta storing bag is provided on the outer surface of the excreta storing bag, a plurality of pushing-in and locking holes (21) for pushing in and locking a part (23) of the excreta storing bag are formed at the upper edge (9a) of the toilet bowl, an upper edge constituting member (25), a toilet bowl receiver (7) or the seat part (3) of a chair (1), and the excreta storing bag is attached to the toilet bowl by respectively pushing in and locking a part of the excreta storing bag to the pushing-in and locking holes.