This paper analyzes Shanghai live-shellfish distribution channel by key investigation,sample investigation method,question investigation method and on-the-spot investigation.The author found that the shellfish sold in Shanghai are more than 30 species and the main species are Sinonovacula constricta,Meretrix meretrix,Cipangopaludina chinensis,Venerupis variegate,Moerella iridescens,Pecten grandis,Mytilus edulis,Cyclina sinensis,Pinna(Atrina) pectinate and Ostrea.The studies also show that the shellfish sold in Shanghai come basically from other parts of China such as Jiangsu,Zhejiang,Shandong,Fujian,Liaoning and Hubei Provinces.There are about 20 thousand tons of live-shellfish from producing areas of which 17% is sold to luxury hotel and 83% to customers via retail markets.The studies also indicate the distribution channel and characteristics of Shanghai live-shellfish market.Finally,the author made a preliminary discussion on current problems and put forward some policy suggestion.