This paper discussed all about seaweed utilization and management. The method that used in the form of experiments conducted by making various kinds of seaweed formulas, casava flour with a mixture of wheat flour. After that, an examination was carried out to determine the durability of the seaweed noodles by comparing the seaweed noodles placed in the refrigerator and in an open room. Seaweed (Eucheuma cottonii) and cassava flour have a lot of protein content so that they can be made into something of high value, namely seaweed noodles, because the ingredients are easy to obtain and good for consumption by the body's growth. Apart from being easy to get, seaweed (Eucheuma cottonii) and cassava are also environmentally friendly because they come from natural ingredients and do not endanger health.