Sweet and slightly warm
Spleen and stomach
To strengthen the spleen and transform dampness
1. Deficient spleen not transforming and transporting water manifested as lassitude, poor appetite, loose stool or Diarrhea, or leukorrhea due to downward flowing of turbid dampness. Hyacinth bean (Bian Dou) is used with Ginseng (Ren Shen), White atractylodes (Bai Zhu) and Poria (Fu Ling) in the formula Shen Ling Baizhu San.2.Disharmony of the spleen and stomach due to invasion from exogenous pathogenic summer-damp-heat manifested as vomiting and diarrhea. Hyacinth bean (Biandou) is used with Elsholtzia (Xiang Ru) and Magnolia bark (Hou Po) in the formula Xiangru San.
The raw herb is used for relieving summer-heat, the fried herb for strengthening the spleen and stopping diarrhea.