α- Arbutin it is safe and effective in today's most popular whitening material is also ideal for the twenty-first century skin whitening agent. It can quickly penetrate the skin, without affecting the concentration of cell proliferation, while the skin can effectively inhibit tyrosinase activity, blocking the formation of melanin, and through its own direct binding enzyme tyrosine accelerate decomposition and excretion of melanin to reduce skin pigmentation, get rid of spots and freckles, but also melanoma cells do not produce toxic, irritating, allergenic and other side effects, as well as sterilization, anti-inflammatory effect. Bearberry leaf has anti-inflammatory, antibacterial, traditionally used to treat urinary tract infections, which are the main medicinal ingredient arbutin. Whitening effect pigment, melanin is a dark pigment substances, can cause skin coloring, in melanocytes by reaction of phenylalanine or tyrosine by a series of biochemical oxidation generated. Antitussive, expectorant, anti-asthmatic subjects to increase the role of arbutin fed animals tracheal secretion, prolonged incubation period ammonia induced cough, cough reduce the number of tracheal phenol red excretion increased significantly. So far, its anti-inflammatory, antitussive, expectorant.