Review Liao Da Qing Ye Forms and Sizes Below

Common Names:  Isatis Leaf, Woad Leaf, Indigo Leaf, Polygonum Tinctorium Leaf
Botanical Name:   Isatis indigotica Folium
Chinese / Pin Yin Name:  Da Qing Ye, Liao Da Qing Ye
Liao Da Qing Ye Dosage: Consult your healthcare provider for your correct dose.
Liao Da Qing Ye  Precautions:  Do not use if pregnant or nursing.   Da Qing Ye is one genus of Isatis root, check the botanical name to ensure you are getting the correct herb.  Each has different properties.

Liao Da Qing YeBenefits & Information

Liao Da Qing Ye is a traditional Chinese medicinal herb to clear heat, remove toxins, cool the blood.  Isatis Leaf promotes throat health and boosts the immune system. 
Liao Da Qing Ye Properties: Bitter, Very Cold
Liao Da Qing Ye Channels / Meridians: Heart, Lung Stomach
Liao Da Qing Ye Naturally Occurring Components:   tryptophan, isatan B, glucobrassicin, glucobrassicin-1-sulfonate, indigotin, 1-thiocyano-2-hydroxy-3-butene, adenosine, tryptanthrin, beta-sitosterol, gama-sitosterol, palmitic acid 

Herbs That Combine With Liao Da Qing Ye

Burdock     Scutellaria Baicalensis     Giant Puffball     Zhi Zi     Jin Yin Hua

References
https://tcmwiki.com/wiki/da-qing-ye, https://herbpathy.com/Uses-and-Benefits-of-Da-Qing-Ye-Cid3005