Seaweed has the efficacy and effect of eliminating phlegm and softening hardness, inducing diuresis and eliminating edema (facilitating urination and eliminating edema), and its contraindication is that it is forbidden to those who are allergic to the product, and to those who have deficiency and coldness in the spleen and stomach (spleen and stomach weakness and coldness), and those who suffer from dyspepsia. Specific medication is subject to medical advice. Seaweed is a traditional Chinese medicine, its flavor is salty, cold, attributed to the liver, kidney meridian, can be into the decoction, can also be used externally. Seaweed is salty and cold, it can eliminate phlegm, soften and disperse hard lumps (soften and disperse hard lumps), suitable for phlegm-dampness stagnation, qi and blood stagnation caused by gall tumor (equivalent to thyroid tumor), scrofula (mainly refers to the cervical lymph nodes tuberculosis), testicular pain and so on. In addition, seaweed is salty in flavor, can work water, and has the effect of relieving edema, which can be used for phlegm due to damp-heat stagnation (pathological products formed by impaired metabolism of water), edema of limbs, etc., so that the evil will come out of the small stools. Seaweed should not be used with licorice. Seaweed is cold in nature, and should not be consumed by people with cold spleen and stomach and indigestion. Pregnant women and women who are breastfeeding should not consume more seaweed. The use of medication should be under the guidance of a doctor, it is not recommended to take medication at will.