Synflorin is an antiviral drug, the main component of which is recombinant human interferon alpha 2b, which is processed in capsules to make topical drugs, vaginal effervescent capsules. It is used for the treatment of vaginitis, cervicitis and cervical erosion caused by viral infections. It is a topical drug commonly used in gynecology and is effective in topical treatment, easy to use, and has few side effects. Before using the drug, the vagina should be rinsed clean and inserted into the posterior vaginal fornix and cervical area. It is better to use it at bedtime so that the drug will not fall off and affect the treatment effect. It is better to use it at bedtime so that the drug will not be dislodged and affect the treatment effect. A few in the use of the process will have caused serious physical symptoms, to stop using, go to the hospital for examination.