To provide a pool facility in which a physiological optimum walking effect can be obtained by moving and controlling the depth of water of a moving floor, in which effective momentum burdened to each section of the body at the time when underwater walking is performed particularly is obtained, under the state, in which a person mounts on the moving floor, from one position of the depth of water to the other position of the depth of water.

In the pool facility constituted so that a plurality of aquatic size walking can be conducted at the desired position of the depth of water by controlling the lifting and lowering of the moving floor in the vertical direction in a pool, the moving floor is driven and controlled from one position of the depth of water to the other position of the depth of water in response to a plurality of aquatic size walking programs.