Purging heat in the body and relieving restlessness: suitable for cure heat-caused mind disturbance. A. exogenous fever, restless with anxiety, depressed and sleepless; B. extremely hot in the body, irritable, even delirium. 

Cooling the blood and detoxification: used for cure noxious heat in the blood system. A. blood-heat bleeding, hematemesis, spontaneous external bleeding, and hematuria; B. pharyngeal swollen, red eyes, heat toxin caused skin and external diseases, all of which are due to excess heat.

Clearing heat: suitable for cure damp and hot in hepatobiliary and lower energizer. A.  dampness and heat of the liver channel and stagnated fire, irritability, hypochondriac pain, bitter taste; B. jaundice due to damp-heat, downward flow of damp-heat, heat strangury.

Relieving the jaundice symptom: injection of water extract of gardenia, crocin and crocetin into rabbits shows obvious effect on bile secretion; it leads to obvious gallbladder contraction, and can significantly reduce bilirubin in blood and peripheral lymph, as well as promote rapid excretion of bilirubin in the blood.

          Promoting pancreatic secretion: geniposide (removing hydroxyl from gardenia) can promote pancreatic secretion and significantly reduce the role of pancreatic amylase, and can also increase the flow of pancreatic bile.

Others:

(1) Sedation (2) Depressurization (3) Blood coagulation (4) Inhibition of gastric acid (5) Purgation (6) Accelerate healing: The cream made from gardenia extractive can accelerate the healing of soft tissue.