Yellow gardenia, also known as gardenia, has diarrhea fire to get rid of annoyance, clear heat and benefit dampness (removing heat and dampness in the body), cool blood and detoxify poison (refers to the treatment of blood-heat and poisonous embodiment), reduce swelling and stop pain (eliminating swelling and pain) and other efficacies, treats fever, annoyance, jaundice, sores and swelling and pain and other illnesses. Gardenia takes the dry mature fruit of gardenia of the plant of the family of Rubiaceae as medicine, the medicinal property is cold, the flavor is bitter, enters the heart, the lung, the triple jiao meridian. Clinical mainly used for treating heat disease heartburn, damp-heat jaundice, gonorrhea (urine frequency increase, gonorrhea astringent pain) astringent pain, blood-heat epistaxis (due to blood-heat caused by vomiting blood, nosebleed), eye red swelling and pain, fire-poisoning sores, external treatment of sprain and contusion pain. Gardenia also has the effect of cooling blood and stopping bleeding (making blood cool and moist, preventing bleeding). It is used for blood-heat and vomiting blood, cerebral blood, urinary blood, collapse and leakage (excessive menstrual flow or dribbling). The adverse reaction of gardenia is not clear, but those who are allergic to gardenia need to be prohibited; those who are cold and wet, those who are weak, pregnant women need to be cautious. Gardenia should be taken under the guidance of traditional Chinese medicine practitioner’s identification, not blindly self-medication, in order to avoid the mistake of the condition.