The first effect of nori is that it can supplement the body with abundant iodine, which is an important raw material for thyroxine, and the iodine supplemented by nori can promote thyroxine, which is very effective in promoting the body’s anabolism. The second effect of nori, from the point of view of traditional Chinese medicine, can dissolve phlegm and soften the firmness, so for the occurrence of sore throat and gall tumor, if appropriate supplementation of nori, can get obvious relief of symptoms. The third effect of nori is that it can nourish the heart and remove irritation, so for people who are irritable and insomniac and prone to poor sleep quality, if they consume nori properly, it can play a role in improving sleep quality through its effect of nourishing the heart and removing irritation.