The causes of vulvar cracking and pain in women are as follows: 1. It may be caused by inflammation of the vulva, due to local bacterial and viral infection will lead to vulvar rupture and pain. 2. When women are malnourished in the vulva, the skin of the vulva will become thin and skin friction will crack. 3. When women have malnutrition, such as vitamin deficiency, there will also be vulvar dryness and painful cracking. Therefore, women with cracked and painful vulva need to go to the hospital for examination and treatment in time. Eat more fresh vegetables and fruits, if it is caused by inflammation, use lotion for cleaning, apply erythromycin ointment locally to play a lubricating and anti-inflammatory role, if necessary, you can also use red light physical therapy, if the vulva is caused by malnutrition, you can use Chinese medicine for fumigation.