Based on the application of carbon footprint, carbon footprint label can tell customers the quantity of CO2 emission during the product’s life cycle. PAS2050 issued by BSI in 2008 can provide the standard to assess product footprint during the life cycle. And then PAS2050 was introduced into China in 2010.Clothing consumption is a basic living behavior, so how to lead customers to take low carbon behavior is　very important for the society as whole.