Jiao gardenia is a bitter cold medicine, medicinal characteristic is bitter, cold, belongs to heart, lung, triple jiao meridian. The efficacy is diaphoretic fire in addition to annoyance, clearing heat and diuresis, cooling blood and detoxification, clinically commonly used jiao gardenia to treat the following diseases: 1, heat disease annoyance, diaphoretic fire, clearing triple jiao fire, so it is the treatment of feverish disease annoyance, agitation and disturbance of restlessness of the key medicine; 2, have the role of clearing heat and diuresis, so clinically commonly used to treat the liver and gallbladder damp-heat or the lower jiao damp-heat caused by blood in urine and jaundice, etc.; 3, cool the blood and detoxify the toxin, can treat carbuncle and sores and poison, with the honeysuckle, wild chrysanthemum, etc. It can also be used to treat various kinds of blood-heat and hemorrhagic diseases, such as epistaxis, coughing up blood and so on.