This machine is used to test the water absorbability and hydrolytic absorbability of the inner and inner lining of the shoe, the principle is that the specimen is placed on a wet floor, subjected to repeated bending under a certain pressure (like the appearance of the bottom of the shoe on foot). The flow rate can be adjusted and the flow rate is displayed by a flowmeter, and the time can be set, and the machine will be automatically stopped after the time of arrival.