Women with yellow vaginal discharge are usually considered to be caused by vaginitis, which is usually caused by bacterial vaginosis, trichomonas vaginitis or atrophic vaginitis. Treatment, according to the specific disease is generally used medication such as metronidazole, estrogen ointment, etc., as described below: 1. Bacterial vaginosis and trichomonas vaginitis, women’s vaginal discharge is usually grayish-yellow or yellowish-green, with an odor. Bacterial vaginosis and trichomonas vaginitis treatment generally choose oral medication for systemic treatment such as metronidazole, while the vaginal local application of metronidazole suppository treatment, to avoid sexual intercourse during treatment. Trichomonas vaginitis, sexual partners also need to be treated together. 2. The discharge of atrophic vaginitis is thin and yellowish, and in severe cases, it will be pus and blood. Atrophic vaginitis can be oral hormonal drugs, such as tibolone; vaginal topical estrogen preparations can also be used, such as hexestrol ointment; can also be used vaginal topical metronidazole or norfloxacin to inhibit bacterial growth. Vaginitis is the possibility of recurrence, it is recommended that the symptoms should be timely medical treatment to prevent the spread of inflammation, follow the doctor’s instructions for medication.