Often eat kelp benefits are as follows: 1, can eliminate phlegm and soft, for goiter, thyroid nodule patients, if appropriate often eat kelp, by supplementing iodine and have a very good elimination of phlegm and soft role. 2, can be a water retention, for the urine is not conducive to the ascites caused by the swelling of the people, if appropriate to eat kelp has a very good water retention benefits. Often eat kelp disadvantage is from the perspective of Chinese medicine dietary therapy, kelp taste salty, cold, for the spleen and stomach cold people, if often eat kelp will be cold on the cold, and lead to nausea, vomiting, diarrhea, bloating and other gastrointestinal discomforts.