Bai Ling Tablet has no fixed time of effect, the specific effect but varies from person to person, can not be generalized, generally speaking, eat about 7~14 days have some effect. Bai Ling Tablet is a proprietary Chinese medicine composed of Angelica sinensis, Panax quinquefolii, safflower, Mudanpi, peach kernel, Fangfeng, Atractylodes macrocephala, Angelica dahurica, Amaranthus equisetifolia, Paeonia lactiflora, and Astragalus membranaceus, which has the effect of activating blood circulation and removing blood stasis (to promote blood circulation and eliminate stagnant blood in the body), and dispelling wind and opening up the meridian channels (to dispel wind evils and open up the meridian channels). Bai Ling Tablet is used for vitiligo caused by blockage of meridians and collaterals and poor qi and blood circulation, which is characterized by scattered asymmetrical white spots with clearer borders and pale skin color. Bai Ling Tablet is well tolerated, adverse reactions are less clinically documented and not yet clear. The medication should be noted that pregnant women are contraindicated, menstruation oral need to reduce or stop taking. If you have a need for medication, you need to use it under the guidance of a doctor, and not blindly use it on your own, so as not to cause adverse consequences.