Compound Phellodendron Liquid is useful in clinical applications for the treatment of the body suffering from canker sores, osteomyelitis, wound infections or gynecological vaginitis. It has special clinical treatment significance for the body suffering from acute and chronic purulent osteomyelitis. Because the main ingredients of this medicine are honeysuckle, cypress, forsythia and centipede, all of which have the effect of clearing heat and detoxifying as well as dispersing swelling and nodules. Therefore, for the body suffering from feverish colds and pathogenic bacterial infections, it can be treated locally to achieve significant inhibition of pathogenic bacteria, so it has good therapeutic effects for the above-mentioned infectious diseases. During the application of the drug, the concentration of the drug should be diluted well, and under the guidance of the doctor according to the specific condition of the body, through local application to achieve good therapeutic effect.