The use of vaginitis drugs during pregnancy generally does not adversely affect the fetus, but also need to look at the specific medication. Pregnant women suffering from vaginitis, generally recommended the use of suppositories for vaginal medication, this drug is a topical medication, generally does not affect the growth and development of the fetus; however, the specifics, but also need to observe the main ingredients of the suppositories, it is recommended that the patient is necessary to get the guidance of specialists, specialists to determine the applicability of pregnant women. Suppositories are solid preparations that are solid at room temperature, and after being inserted into the cavity, they can be rapidly softened and melted under the action of body temperature, or dissolved in secretion fluids, and produce local or systemic effects through the gradual release of drugs. In addition, the use of inappropriate suppositories may exacerbate vaginal inflammation, and it is recommended that pregnant women should always seek the guidance of a specialist.