Bitter, pungent and warm
Spleen, stomach, lung and large intestine
1. To promote qi circulation; 2. To dry dampness; 3. To descend rebellious qi and relieve asthma; 4. To resolve retention of food.
1. Disharmony of spleen and stomach due to stagnation of dampness and retention of food manifested as epigastric distension and fullness. Magnolia bark (Hou Po) is used with Atractylodes rhizome (Cang Zhu) and Tangerine peel (Chen Pi) in the formula Pingwei San. If dampness blocks the spleen and stomach causing retentions of food, abdominal distension and pain and constipation, Magnolia bark (Houpo) is used with Rhubarb (Da Huang) and Immature bitter orange (Zhishi (BL52)) in the formula Da Chengqi (ST1) Tang.2. Cough and asthma. Magnolia bark (Houpo) is used with Apricot seed (Xing Ren) in the formula Gui Zhi Jia Houpo Xingzi Tang.