Gardenia has the efficacy of diarrhea of fire and removing vexation, clearing heat and inducing dampness (removing heat and dampness from the body), cooling blood and detoxifying (referring to the treatment of blood-heat and toxins), and can be used externally to reduce swelling and relieve pain (eliminating swelling and pain). Can play the role of treating heat disease heartburn, damp-heat jaundice, gonorrhea (urine frequency increase, gonorrhea astringent pain) astringent pain and so on. Gardenia is bitter in flavor, cold in nature, and has the effect of clearing heat and inducing dampness. It can be used to treat jaundice, fever, and astringent pain of dribbling in urine. Also has diarrhea fire clear heart effect, can be used for treatment annoyance heat (irritability sultriness) insomnia, chest tightness and so on. Also has cool blood detoxification efficacy, may be used for treating eye red swelling pain, fire poison sores and so on. In addition, gardenia externally has the efficacy of reducing swelling and relieving pain, can be used for treating sprain and contusion pain, etc.. Because gardenia bitter cold hurt stomach, so spleen deficiency loose stool (feces thin not form) people avoid serving. Gardenia jasminoides is a kind of Chinese medicine commonly used in clinical practice, it is recommended to take this medicine under the guidance of a doctor to avoid the risk of medication.