Nori is not a medicine, it has no medicinal properties and there is no documented evidence that consumption of nori can cure diseases. Nori can provide energy and protein and other nutrients for the human body. Nori is a common algae food, every 100g of nori has 35kcal energy, 5.8g protein, 5.1g carbohydrates, 48mg sodium, 356mg potassium, 70mg calcium, and a variety of vitamins, and moderate consumption will help to maintain the body’s normal physiological functions. In addition, purslane is high in iodine, which can provide more iodine for the human body. Nori is a high iodine food and is also not recommended for patients with thyroid disorders such as hyperthyroidism. In addition, the daily diet needs to be diversified to ensure that the nutrition is comprehensive and balanced.