Above all, dishcloth must clean, should change a clean dishcloth to use after cleaning or wiping dust, remember not to use dirty dishcloth for lazy, such meeting makes the surface that shows shelf loses luster. Secondly, the choice of treatment agent, in order to maintain the supermarket drinks the brightness of the original, the use of the general nursing agent have care spray wax or matter cleaning and maintenance agent two kinds, the former mainly for wood, the material such as polyester, paint, fire rubber sheet display shelves, the latter is mainly suitable for all kinds of wood, glass, composite wood or the plate resistance and other solid wood display shelf.