People with bad spleen and stomach are best not to consume kelp, because kelp is not easy to digest, even if the spleen and stomach function is good, a large amount of kelp will cause diarrhea, stomach upset, so for people with bad spleen and stomach, it is best not to consume kelp or less kelp, if necessary, you can also boil kelp soup to drink, to be able to avoid gastrointestinal irritation. Kelp is also known as kombu in Chinese medicine, mainly has a soft knot, swelling, water, moist down the phlegm, etc., can treat scrofula, phlegm nucleus, lymph node enlargement, mammary gland hyperplasia and other diseases. Kelp nutritional value is very high, belongs to a kind of alkaline food, has a low calorie, medium protein, mineral content is relatively high, which iodine content and calcium content are very high.