Reduces phlegms and softens areas of hardness => for various kinds of nodules in the neck, such as scrofula or goiter, or a sensation of fullness and obstruction in the chest caused by phlegm. Recently used with substances that invigorate the blood and transform stasis for such conditions as thyroid tumors, tuberculous lymphadenitis, and cirrhosis.
Promotes urination and reduces swelling => because this action is weak, it is used as an adjuntive herb for edma and leg qi.