The floating system has some merits that it can support a material without contact and can do surface treatment with hot jet, so it is used as a supporting system for thin film and thin metal production lines. However, in this system a trouble to give scratch defect and irregular tension creases to material are often seen. The fluid power and cost increase, with the increase of the gap height. To decrease running cost of floating system it is important to clear the characteristic of flow for various nozzle angles of floater and geometrical reciprocal action with floater and plate in detail. The present paper reports the detail pressure distribution on the flat plate by the floater with various nozzle angle, aspect ratio, and that on the plate which inclines to the floater.