Lutea root is sweet in taste, cold in nature, and belongs to the lung and stomach meridians, with the effect of clearing heat and generating fluid, stopping vomiting and relieving irritation. It can be used to treat symptoms such as irritable heat and thirst, dry mouth, dry stools, dry tongue and little fluid caused by fever and injury to the body, and is often used together with gypsum, maitong and asparagus. It can also be used to treat coughing up pus and blood, fishy sputum or blood in sputum caused by pulmonary carbuncle, and cough caused by external wind-heat. It is often used with Coix seed and Dong Gua Ren in the treatment of pulmonary carbuncle. It is often used together with Radix et Rhizoma oryzaeum and Morus alba to treat coughs caused by external wind-heat. It can also treat vomiting and eructation due to stomach heat, and is often used together with bamboo rhizome and ginger juice. It can also be used to treat short and red urine, dripping and astringent pain, and is often used together with Radix Bupleurum and Plantago ovata to enhance the therapeutic effect. It has antibacterial effect on Streptococcus haemolyticus. Rutabaga can dissolve gallstones and is an antidote for fish, crab and puffer fish poisoning.