Mu Baixie shade blocks northeast and southwest earth evil spirit. If have northeast belong to with southwest face ' earth ' evil spirit gas, usable belong to ' wood ' 100 leaves shop flag blocks woodiness evil spirit. If disrelish wooden curtain too too expensive, heavy, can be being used is a plant likewise the paper that make or cloth curtain are replaced, have block identically evil spirit action.

Gauze shade blocks light evil spirit. If be opposite outside the window edifice of vitreous act wall, the wall meets vitreous act enter reflection of sunshine, offshore water room, form ' light evil spirit ' , make favor mood flabby, spirit has a problem easily, can pull solstice of the shade that bury gauze to lag behind to just be pulled open, because day is backward,edifice of vitreous act wall regards one side as lens only, without evil spirit gas. If there is rainbow light to be in charge of outside the window, be about to fall day and night shade, so ' light evil spirit ' unchallenged.