Bacterial vaginosis is not recommended to take clarithromycin capsules for a month, the course of treatment is too long, it is generally recommended to use the drug for a week after follow-up treatment as prescribed by the doctor. Bacterial vaginosis is one of the most common vaginal inflammation, after diagnosis, the treatment aims to reduce the symptoms of vaginal infection, restore the normal micro-ecological balance of the vagina, the commonly used drugs for metronidazole, tinidazole, clindamycin, with the local treatment, the timely and regular treatment, the general prognosis is good. Clarithromycin capsules need to be used under the guidance of a specialist according to the results of the examination, and are usually taken for 7 to 14 consecutive days, and are not recommended to be used continuously for 1 month. Allergy to this product or macrolides is prohibited; pregnant women, lactating women are prohibited; severe hepatic impairment, electrolyte disorders are prohibited; children and the elderly need to be used under medical supervision. If there is a need for medication, it is recommended to use it under the guidance of a specialist, standardize the treatment and timely follow-up, and it is not recommended to use the medication for a long period of time on its own, so as not to cause adverse consequences.