Rhubarb calamus boiled water has a certain effect of clearing heat and dampness, but can not completely replace the drug to treat the disease, specific instructions. 1. rhubarb is Polygonum palmatum rhubarb, Tangut rhubarb or medicinal rhubarb dry roots and rhizomes. It is bitter in taste and cold in nature, and belongs to the spleen, stomach, large intestine, liver and pericardium meridians. The effects of rhubarb are diarrhea and attacking accumulation, clearing heat and fire (removing heat and fire from the body), cooling the blood and removing toxins (referring to the treatment of blood-heat and toxins), stopping bleeding, removing blood stasis and menstrual cramps, and inducing diuresis to eliminate yellowing of dampness. It can be used to treat solid heat constipation, red eyes and swollen throat, swollen gums, carbuncle furuncle (mostly occurring on the limbs or face of the sores, the shape of the small root base of the deep, such as nails hard), carbuncle (carbuncle occurs in the intestines and viscera, to fever, right abdominal pain, can be touched to the lump as a manifestation of) abdominal pain, bruises, damp-heat dysentery (dysentery due to the dampness of the heat evil), burns, and so on. 2. Acorus calamus is the dried rhizome of Acorus calamus in the family of Amanita phalloides. It is pungent, bitter and warm in nature, and belongs to the heart and stomach meridians. Its effects include opening the orifices to resolve phlegm, awakening the mind and promoting wisdom, resolving dampness and harmonizing the stomach. It is used in the treatment of phlegm clouding the orifices, epilepsy of the soul, forgetfulness and insomnia, tinnitus and deafness, dampness obstructing the middle Jiao (dampness obstructing the function of the spleen and stomach), epigastric plumpness and lack of hunger, and silencing of the mouth and dysentery. Rhubarb calamus boiled water has a certain effect of clearing heat and eliminating dampness, but the effect is limited, so it can not be used to replace the therapeutic role, such as the above symptoms, such as the need for treatment, please consult a doctor in a timely manner, under the guidance of the doctor to choose the appropriate treatment.