After patient of wind of white purplish or white patches on the skin is treated through a period of treatment, if have one of undermentioned show, hint this medicine treats effective: ① , blaze develops no longer. The cause side ② , blaze is punch-drunk turn gradually for clarity. Brim of ③ , blaze appears chromatic deepen a phenomenon. Macula of wool bursa sex grows in the center of ④ , blaze. Rubescent of colour and lustre of ⑤ , blaze or gradual change are weak, become ambiguous, gradually inside shrink. Should make the best of time to continue to treat in an attempt to to obtain optimal curative effect right now.