Chinese White Olive Classic Formulas

Primary Actions

Clears the Lung and relieves sore throat - Qing Guo is used for dry or swollen throat, hoarseness, thirst, and irritative cough when heat and dryness affect the upper burner.
Generates fluids and quenches thirst - it is a classic fruit-medicine for dry mouth, thirst, warm-weather irritation, and fluid depletion after heat, smoke exposure, or prolonged talking.
Resolves toxicity from food and drink - traditional use includes fish, alcohol, and food-toxin discomforts, reflecting its long reputation as a soothing detoxifying fruit.
Soothes the Stomach and intestines - some source traditions extend its use to diarrhea, dysentery, and cough-related blood-tinged sputum when dryness and heat damage fluids.

Qing Guo with Pang Da Hai and Xuan Shen - common sore-throat and voice-use pairing logic for dryness, hoarseness, and painful swallowing.
Qing Guo with Lu Gen and Mai Men Dong - fluid-generating strategy for dry throat, thirst, and irritability after heat or prolonged vocal strain.
Salted or preserved Qing Guo preparations - long-standing food-medicine approach for cough, dry throat, and digestive discomfort after rich foods or alcohol.

TCM Wiki describes Qing Guo as sweet, sour, and neutral, entering the Lung and Stomach channels, with actions of clearing Lung heat, relieving sore throat, generating fluids, and resolving toxicity.
American Dragon likewise emphasizes sore throat, cough, thirst, fish and alcohol toxicity, and certain dysenteric or intestinal irritation patterns.
Traditional food-medicine usage helps explain why the same fruit may be referred to medicinally as Qing Guo while still being popularly called Gan Lan or Chinese olive.