To provide a washing machine and a drying machine capable of washing or rinsing having sufficient capability and preventing shrinkage or deformation of washings made of special cloth such as wool or the like.

In the case of the objects to be washed such as wool or the like prone to be damaged, washing, rinsing or drying is conducted by a drum 8 being rotated at the number of revolutions of Nf0 or more at which the objects to be washed are sticked onto an inner wall of the drum by centrifugal force, maintaining a constant state where the objects to be washed are sticked onto the inner wall, not moved and not subjected to torsional force or tensional force. As a result, the shrinkage or the deformation of the objects to be washed is prevented.