Abstract:Three level dehydration drying technology of Enteromorpha prolifera was studied in order to process a large amount of fresh E. prolifera rapidly during its sudden occurrence and kelp processing wastes, so as to save energy and reduce pollution. The analysis and study on compositions of E. prolifera and its content of harmful heavy metal such as As, Pb, Gd and Hg showed that, E. prolifera was a new type of seafood with low chemical pollution, high fiber and protein contents. Then method for producing canned product of E. prolifera was studied,for which seasoning prescription and steridization technology were developed so as to utilize E. prolifera after scientifically and rationally.