According to latest statistics of iResearch, trade volume of China apparel online shopping market will reach RMB30.87 billion in 2009, 81.5% of year-on-year growth. It is predicted that its growth will tend to be stable in the next three years and reach RMB80 billion in 2012. Among all transactions of apparel online shopping, growth of B2C is obvious. Trade volume of apparel B2C is RMB2.4 billion in 2009, 99.8% of year-on-year increase. iResearch predicts that apparel B2C will maintain rapid growth in the next 3 years and reach RMb18 billion in 2012. iResearch will show detailed information about user scale, competitive structure and its permeability in online shopping and apparel retail market in the following text.