Pear Peel Classic Formulas … Natural Herb Library

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Moistens the Lung and relieves dryness cough - a gentle food-grade herb for dry cough, scratchy throat, and hoarse irritative cough when warmth and dryness have injured fluids.
Generates fluids and relieves thirst - used for dry mouth, thirst, and lingering fluid depletion after summer-heat or febrile illness.
Gently clears upper-burner heat - helps cool mild irritability, dry heat in the chest, and warm-dryness patterns without the harshness of stronger bitter-cold medicinals.
Supports recovery from dryness affecting both Lung and Stomach - especially when cough, thirst, and a dry throat appear together.

Sang Xing Tang (桑杏汤) - a later dryness-treating formula in which Li Pi nourishes fluids and moistens the Lung alongside Sang Ye and Sha Shen for warm-dry cough.
Fresh pear-peel decoctions or juices (鲜梨皮煎) - traditional food-therapy style use for summer-heat thirst, dry throat, and mild cough after fluid injury.
Regional combinations with Chuan Bei Mu, Sha Shen, or Gan Cao - later-practice pairings for autumn dryness and irritative cough rather than one universally dominant early formula.

Traditional herb and food-therapy sources describe Li Pi as a cool, sweet peel that moistens the Lung, clears mild heat, and promotes body fluids.
The herb's reputation is strongest in later practical medicine and dietary therapy, which explains why it appears more often as a modifying ingredient than as the star of a famous early formula.
Classical usage especially emphasizes dry cough, thirst, and sore throat arising from warmth or dryness rather than from cold-phlegm patterns.