The market size of top 100 China's chain drugstores (by sales) got continuously expanded in 2005, increased to RMB 34.42 billion from RMB 23.24 billion in 2004. By 2005, the shops number of top 100 enterprises totalled 36,240. The potential advantages of chain and scale in Chinas pharmaceuticals retail industry are becoming apparent.

Great changes have taken place in China's pharmaceuticals market structure by 2004. Over the past years, 90% of drugs are sold by hospitals and only 10% in drugs retail market. Nowadays, the shares of drugs in retail market are up to 20% to 30%.