The seaweed canes of seaweed flowers can be used for cooking.

In the folk, a commonly eaten recipe is: "Dragon and Phoenix Presenting Auspiciousness" soup. That is, boil the broad beans and rice in the cured pork bone soup, and then add the washed and uncut seaweed canes. It has a fresh and sweet taste. After eating, it can improve eyesight, nourish the liver, relieve cough and reduce phlegm. It is a traditional Chinese medicine. A soup dish often eaten by the elderly.

In addition, the "dragon robe plus body" dish is also very good. The method is to stir-fry fresh seaweed with diced ham until half-cooked, add starch and seasonings, simmer with sour vinegar for a while and then remove from the pot. The taste is sour, fragrant and delicious, and has an auxiliary therapeutic effect on cardiovascular diseases and frequent urination.

There are also sea vegetables such as "Dragon Claw Gongmu" and "Dragon Vine Blue Sea", which have high nutritional value.