The effects of Calamus ninety-segmented are to dissolve phlegm and open the orifices (opening the orifices of the heart and restoring sanity by removing phlegmatic evils), dispelling wind and removing dampness, eliminating food and awakening the spleen, and detoxifying the toxins, etc. The efficacy of a single herb is limited, so please follow the instructions of your doctor for specific medication. Acorus calamus refers to the rhizome of Altaic silver lotus in the family of Scrophulariaceae, which is pungent in taste and warm in nature, and belongs to the heart, liver and spleen meridians. It is used in the treatment of fever-induced trance, stupor, epilepsy, deafness due to obstruction of qi flow, dreaminess and forgetfulness, chest tightness and abdominal distention, loss of appetite, rheumatic arthralgias, carbuncle and gangrene, scabies, etc. It can also be used to treat the symptoms of fever-induced trance, coma and seizures. Nine-sectioned calamus is used as a decoction in water, or in pills and bulk preparations, or taken by pounding the juice of fresh herbs. It can also be used externally by taking an appropriate amount of decoction and washing the affected area, or applying the freshly pounded juice of the herb to the affected area, or grinding it into a powder and applying it to the affected area. Caution should be taken when there is a deficiency of yin and hyperactivity of yang, irritability and excessive sweating, or when the semen is slippery. In addition, the efficacy of single herbs is limited and should not replace the therapeutic effect of Chinese herbal tonics or proprietary Chinese medicines. If you feel unwell, please go to the hospital in time and consult a professional physician, do not use medicine arbitrarily.