Crystal Sugar Classic Formulas — Natural Herb Library

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Moistens the Lung and relieves dryness-type cough - Bing Tang is a gentle food-medicine ingredient used when Lung dryness causes an irritated throat, dry cough, or scanty blood-streaked sputum.
Strengthens the Spleen and harmonizes the Stomach - traditional dietetic use includes mild Spleen-Stomach Qi weakness, poor appetite, and recovery from depletion when a soft, nourishing sweet is appropriate.
Soothes the throat and moderates harsh herbs - rock sugar is often added to stewed or decocted remedies to soften irritation and make dry-cough formulas easier to take.

Bing Tang stewed with pear - the classic household pairing for dry cough, throat irritation, and mild heat-dryness affecting the Lung.
Chuan Bei Mu stewed with pear and Bing Tang - a traditional food-therapy preparation for lingering dry cough with sticky scant phlegm or throat discomfort.
Bing Tang with Bai He or Sha Shen in sweet soups - a dietetic approach to moistening dryness and supporting gentle recovery.

Traditional references describe Bing Tang as sweet and neutral, entering the Lung and Spleen to moisten the Lung, relieve cough, and support the middle burner.
Unlike stronger medicinal sugars such as Hong Tang, Bing Tang is valued for being relatively neutral and soothing rather than warming or Blood-moving.
Its role in cough preparations is often supportive and harmonizing, which is why it appears so frequently in medicinal stews and convalescent recipes.