Kelp has high medicinal value and cool nature, and can diminish inflammation and reduce fever, replenish blood and calcium, moisten lung, relieve cough and asthma, soften hardness, lower blood pressure and reduce blood fat. It is mainly used to treat endemic goiter, lymphadenopathy, chronic tracheitis, asthma, edema, hypertension, hyperlipidemia and coronary heart disease, and has anticancer effects.