Er Chen Tang
Mechanism of Action
Ban Xia: Dissolving Agent (Resolves Phlegm)
Like a chemical agent, it dissolves and breaks down sticky phlegm (Tán).
Chen Pi: Plunger (Moves Qi)
Like a plunger, it moves Qi to push away the dissolved phlegm.
Fu Ling: Flushing Agent (Drains Dampness)
Like flushing a drain with hot water, it expels the remaining residue through urination.