Topical application of gardenia cannot cure tennis elbow, but may improve the symptoms of localized fever caused by acute tennis elbow. Tennis elbow is also called humeral epicondylitis, is due to trauma, chronic strain caused by part of the forearm muscle and humeral epicondylar junction of the aseptic disease, its essence is the degenerative change of tendon tissue. Takes the elbow outer side pain, the burning, the grip strength weakens as the main symptom. Gardenia is bitter and cold in nature, belongs to heart, lung and San Jiao meridian, has the efficacy of diarrhea fire to get rid of vexation, clearing away heat and dampness (removing heat and dampness in the body), cooling blood to stop hemorrhage (making the blood cool and moist, preventing hemorrhage), used for agitation and disturbing restlessness, vexation, blood drenching (appearing blood in urine and accompanied by pain), heat drenching (burning and stinging pain is obvious in urinating, accompanied by frequent urination and urgent urination, and discomfort of pulling on the small abdomen) astringent pain, spitting out blood, epistaxis, and so on. Because gardenia bitter cold, can clear heat and diarrhea fire (clear body heat evil and fire evil), cool blood and stop bleeding, so apply gardenia can also improve tennis elbow pain, burning sensation, but purely rely on gardenia applying externally can’t play a therapeutic role to tennis elbow. If suffers from tennis elbow, should go to the hospital in time to consult the doctor, can’t use the medicine treatment blindly by oneself, in order to avoid delaying the condition.