To provide a simple toilet stool which even a weak user can transfer to very easily when the user transfers to the simple toilet stool from the side direction.

The simple toilet stool 1 which is equipped with armrests 4 vertically installed at both sides of a main body of the toilet stool 2 and transfer plates 6 extended from upper edge parts of one or both sides of the main body of the toilet stool 2 is provided wherein the transfer plate 6 is removably attached to the upper edge part of the one side of the main body of the toilet stool 2 and can be detached from the upper edge part of the one side to be attached to the upper edge part of the other side .