PURPOSE: To provide an expendable toilet set capable of being easily fitted to an existing toilet stool on the assumption that a Western toilet stool is used for excretion at the time of the suspension of water supply, storing excreta to be easily disposed, capable of being folded as a whole, and reducing the bulk of the saving against disaster.

CONSTITUTION: This expendable toilet set is constituted of a toilet bag 1 coupled with a toilet stool when a peripheral edge section 5 is covered on a toilet seat, a storage container 3 fixing the bottom section of the toilet bag 1, coupled with the toilet stool together with the toilet bag 1, and capable of storing and folding the toilet bag 1 prior to usage, and a closing means 4 closing the opening section 3' of the storage container 3.