1, get effective first: Effective treatment is treating the illness inside 3 months to begin to improve, a month sees patient of about 70 ％ namely effect. The mark that get effective is blaze area narrows, macula goes out inside blaze (pigment island) . 2, get effective apparently: Macula increases, confluence is become piece, flake blaze disappears, big blaze is remarkable and contractible. 3, cure: Blaze is complete subsidise, blaze area skin but slightly black at normal color of skin, return to normal completely color of skin still needs 3 months above. 4, if be treated via 3 months,did not see curative effect, lv of take an examination changes remedial method. Answer every months during cure by via treating doctor face examine, observe an illness to use drug in order to accomplish to disease in detail. If cannot press lunar face examine because of great distance, should 2 months pat every 1 ～ the photograph watchs examine for the doctor, even often with the phone (mensal) , epistolary to doctor introduction the illness changes, the patient must admit to cooperate with the doctor really.