Yu Zhu-Rhizoma Polygonati Odorati

Yu Zhu 玉竹, the rhizome of Polygonatum odoratum (Mill.) Druce, is a gentle yin-tonifying herb in Traditional Chinese Medicine (TCM) valued for nourishing yin without causing stagnation. It is commonly used for dryness in the lungs and stomach, manifesting as cough, thirst, or dry throat, and for restoring fluid balance after febrile illnesses.

Traditional applications described for educational purposes. Professional guidance recommended for therapeutic use.

Key Benefits
Nourishes Yin & Moistens Dryness（养阴润燥） – Addresses lung and stomach yin deficiency with dryness symptoms.
Relieves Dry Cough（润肺止咳） – For chronic dry cough due to yin deficiency.
Generates Fluids（生津止渴） – Helps with thirst and dry mouth, especially after febrile diseases or in wasting-thirst disorder (Xiao Ke).
Maintains Yin While Expelling Pathogens（养阴除风） – Gentle enough for use during mild lingering exterior conditions without trapping pathogens.

Dosage & Administration
Decoction: 6–15 g dried rhizome.
Stewing: Cooked with meat or soup for yin nourishment in daily health maintenance.
Common Combinations: With Mai Men Dong for lung yin deficiency; with Shi Hu for stomach yin deficiency.

Characteristics
Taste: Sweet.
Nature: Slightly cold.

Safety Notes
Contraindicated in cases of phlegm-damp accumulation or loose stools due to spleen deficiency.
Avoid use during acute, strong exterior conditions without yin deficiency.