1, different sources. Acorus calamus is the rhizome of Anemone altaica of Anemone of Ranunculaceae, while Acorus calamus is the dried rhizome of Acorus calamus, Acorus trifoliatus and Acorus latifolia of Araceae.

2, the effect is different. Acorus calamus has the effects of inducing resuscitation, resolving phlegm, invigorating spleen and calming nerves. It is mainly used to treat fever, dizziness, epilepsy, tinnitus and deafness, chest tightness, abdominal distension, anorexia and other diseases, and can also be used for external treatment of carbuncle, sore and tinea. However, Acorus gramineus has the effects of eliminating dampness, stimulating appetite, inducing resuscitation, eliminating phlegm, waking up and improving intelligence. It is mainly used to treat diseases such as hunger, diarrhea, epilepsy, amnesia and deafness.

3, the treatment of different diseases. Acorus calamus is mainly used for adjuvant treatment of stroke, coma, infantile convulsion, amnesia, tinnitus, deafness and other diseases. Acorus gramineus is mainly used for adjuvant treatment of amnesia, tinnitus, unconsciousness, abdominal distension, thick and greasy tongue coating and other uncomfortable symptoms.