GlaxoSmithKline was founded on June 5-438, 2000 by the merger of GlaxoWellcome Company and SmithKline Bicheng Company. The history of the two companies can be traced back to the middle of19th century. For more than a century, each company has established a world-class leading position in the field of medicine through continuous innovation and several mergers. GlaxoSmithKline represents the highest level in the world in the four medical fields of anti-infection, central nervous system, respiration and gastrointestinal tract/metabolism, and ranks first in the field of vaccines and anti-tumor drugs.