The difference between Acorus calamus and Acorus calamus is mainly due to the different effects, different functions and so on. Different efficacy: Acorus calamus has the efficacy of resolving phlegm and opening the orifices (opening the orifices of the heart and restoring the mind by removing phlegm and evil), invigorating the spleen and inducing dampness. Calamus has the effect of opening the orifices and waking up the mind (opening the brain orifices and waking up the mind), transforming dampness and stomach, and tranquilizing the mind. Different effects: Acorus calamus is used for epilepsy, palpitations and forgetfulness, confusion, dampness and stagnation, diarrhea and dysentery, rheumatism and pain, carbuncle and scabies. Acorus calamus is used for the treatment of phlegm clouding the clear orifices, delirium; dampness blocking the middle Jiao (dampness obstructing the function of the spleen and stomach), epigastric (abdominal) plumpness (stomach distension and discomfort), distension and pain; silencing of the mouth dysentery; amnesia, insomnia, tinnitus, deafness. Those with yin deficiency and hyperactivity (deficiency of yin fluid and hyperactivity of yang energy), excessive sweating and slippery semen should be cautious of taking Water Calamus. Where there is external wind-cold or warmth, heat and solid internal blazing, yin deficiency and fire (deficiency of yin essence in the body and hyperactive deficiency fire), blood deficiency and blood heat, etc., it is contraindicated to take Acorus calamus in a single taste. If you have a need for medication, you need to use it under the guidance of a doctor, and not blindly on your own, so as not to cause adverse consequences. null