Glehnia littoralis and Glehnia littoralis are similar in appearance, but quite different in efficacy. How to quickly and accurately distinguish whether markets and pharmacies sell Radix Glehniae or Radix Glehniae? Glehnia littoralis is the root of Umbelliferae coral, which is sweet, slightly bitter and slightly cold. It can nourish yin, clear lung, benefit stomach and produce fluid. For yin deficiency and lung heat, cough with little phlegm, dry throat and hoarseness; Deficiency of stomach yin, or heat injury to stomach yin, thirst and dry throat, or dull pain and retching in gastric cavity.

Adenophora adenophora is the root of many plants in Campanulaceae. Sweet in taste and warm in nature, it can tonify the qi of lung and spleen. Suitable for spleen and lung deficiency, mental fatigue, anorexia, spontaneous sweating, pale tongue and weak pulse.

In addition, in terms of texture, Glehnia littoralis is solid, while Glehnia littoralis is hollow, solid for nourishing yin and hollow for invigorating qi.