If vaginal dryness is due to a vitamin deficiency, women can take a vitamin B2 supplement to improve it. Vaginal dryness is a significant decrease in vaginal discharge. There are many reasons for vaginal dryness, such as vaginitis, ovarian decline, stress, long-term use of birth control pills, and vitamin B2 deficiency. Therefore, if the vaginal dryness is caused by the lack of vitamin B2, supplementation of vitamin B2 can be a good improvement. Women can eat more dairy products, animal liver and seafood in their daily life, which are rich in vitamin B2. Patients with vaginal dryness are recommended to go to the hospital to find out the cause of vaginal dryness.