Gardenia is clinical commonly used to clear heat medicine, the main efficacy is to clear heat and diarrhea fire, to remove annoyance and dispel dampness, but gardenia also has a very significant, the effect of excellent efficacy is to reduce swelling and stop pain, so also often use gardenia for acute sprain, contusion patients to carry on local external application, so as to achieve the effect of reducing swelling and stopping pain, activating blood and clearing heat. The method of use is to choose enough dose of gardenia to mash, stir with yellow wine evenly after using the drug to sprain, contusion position completely, wrapping external dressing, with the area of medicine must cover the area of injury, and use oil paper or other waterproof paper to attach to the surface, use bandage to tie up the affected area. This can effectively eliminate the local swelling, obviously reduce the local pain, especially in the medical condition relatively poor area, will often give the acute sprain patients use gardenia for external application treatment.