Plastic bag pollution problems which have caused great pressure on environmental appearance in China recently. The Chinese government has undertaken a ÂPlastic-bag ban (PBB)Â since June 2008, but the effect is weakening gradually. This study introduces the usage and harm of plastic bags in China. The root causes and the existing solution methods for these problems are analyzed by visiting varied markets and taking public-opinion surveys in Hangzhou, Zhejiang province. Several exploratory methods are introduced to reduce plastic bag use rapidly.