Kelp, also known as seaweed, belongs to Phaeophyta and Laminariaceae, and is a large edible seaweed. Kelp is rich in protein, fat, carbohydrate, dietary fiber, calcium, phosphorus, iron, carotene, vitamin B 1, vitamin B2, nicotinic acid and iodine. Moreover, according to scientific determination, every 100g kelp contains 8g of protein, 0. 1g of fat, 0.57mg of carrot, 0.09mg of vitamin B/kloc-0, 20.36mg of vitamin B, 0.6mg of nicotinic acid/kloc-0, 50mg of iron and 2/kloc of phosphorus. The contents of sugar, calcium and iron are several to dozens times higher than those of spinach and rape. Moreover, kelp also contains some special nutritional chemical components, such as trace elements, alginic acid and mannitol, which are very beneficial to human health. In food, the iodine content of kelp is very high, with iodine content of 30-70g per 100g. Iodine is an essential trace element for human body and one of the important components of thyroid synthesis. If the human body is in a state of iodine deficiency for a long time, it will cause goiter and affect health. Eating kelp often can replenish iodine for the body in time and prevent goiter. Moreover, pregnant women should eat kelp properly and supplement iodine intake to avoid fetal dysplasia and mental retardation. At the same time, some experts believe that because people consume animal protein, lean meat and sugar every day. It is easy to lead to insufficient thyroid secretion, skin metabolism disorder and white hair. Therefore, it is recommended to eat kelp often to prevent or reduce hair whitening. Chinese medicine believes that kelp is salty, cold and non-toxic, and has the effects of softening hard mass, resolving phlegm and relieving asthma, diuresis, lowering blood fat and blood pressure, so eating kelp often is very beneficial to the body. Kelp soup can cure hypertension and coronary heart disease in children. Kelp cooked or cold, often eaten can cure the disease; Moreover, kelp is better when mixed with different foods, such as kelp, glutinous rice, mung bean, brown sugar, etc., and porridge can cure wet, toxic and itchy skin; 500 grams of kelp, washed and cut into pieces, cooked and fished out, mixed with 250 grams of white sugar, marinated for 24 hours, 50 grams each time, twice a day, can cure chronic pharyngitis; 60g kelp silk and 150g mung bean are cooked together and seasoned with brown sugar, which can cure children's summer heat, furuncle and summer phlegm-heat cough. Kelp is alkaline food. Regular consumption will increase the body's absorption of calcium. Adding some kelp to greasy food can reduce the accumulation of fat in the body. Kelp has a unique flavor and can be eaten in a variety of ways, such as cold salad, fried meat and simmered soup. Cold kelp silk, cool and refreshing, delicious and mellow; Stir-fried kelp silk, with shredded radish and celery as auxiliary materials, is colorful and appetizing; Eating kelp and tofu together is considered as a panacea for immortality in Japan. Tips: Kelp is good, but don't be greedy. Please eat in moderation. At the same time, because kelp tastes salty and cold, people with spleen and stomach deficiency, edema, diarrhea and indigestion should eat carefully; And don't drink tea immediately after eating kelp, and don't eat sour fruits such as grapes and hawthorn, so as not to affect the absorption of minerals. In addition, because kelp contains arsenic, if it accumulates too much in the body, it is likely to be poisoned by its acidity. Therefore, before eating kelp, please rinse it with water, and it is best to soak it in water for 24 hours before eating, and pay attention to changing the water frequently to reduce the arsenic content to the food hygiene standard. Eating kelp often has many advantages, such as softening and resolving hard mass, resolving phlegm and relieving asthma, diuresis, lowering blood fat and blood pressure, so eating kelp often is good for health. First, eating kelp soup can cure children's hypertension and coronary heart disease. Second, take 60 grams of kelp, cooked or cold, and eat it often to cure gallstones. Third, take kelp, glutinous rice, mung beans and brown sugar in moderation and cook porridge to treat skin itching. 4. Take12g kelp and 6g fennel, add water and decoct them, which can cure testicular swelling and pain. 5. Dry kelp and grind it into powder. Take 3g each time, three times a day for one to three months, which can cure headache and conjunctivitis. Six, take 500 grams of kelp, wash and cut into pieces, cook and remove, add 250 grams of white sugar and mix well, marinate for 24 hours and eat, 50 grams each time, twice a day, which can cure chronic pharyngitis. Seven, take 60 grams of kelp, mung bean 150 grams, cook together, add brown sugar to taste, can cure children's summer fever, phlegm and cough. Eight, the iodine content of kelp is very high, and each gram of kelp contains 300 mg to 700 mg of iodine. Iodine is an essential trace element for human body and an important raw material for thyroid synthesis. People who lack iodine for a long time will get goiter. Eating kelp regularly can prevent this disease. Nine, eating kelp often helps to prevent baldness.