Laver can be eaten regularly, but not too much. Seaweed can provide part of the iodine element to the human body, because seaweed is rich in iodine. At the same time, seaweed is also high in calcium. It also contains choline and iron. It can enhance memory, treat anemia, promote bone growth and health, improve immunity, and also Can prevent the occurrence of cancer. Nori is sweet, salty and cold. It has the functions of resolving phlegm and softening hardness, clearing away heat and diuresis, nourishing the kidney and nourishing the heart. However, the salt and MSG content in seaweed is very high, so it is not suitable for long-term continuous consumption.