There are several reasons for the pain of hot vulva after intercourse: 1, this symptom is mostly due to inflammation of vulva, the typical symptom of inflammation is redness, swelling and hot pain, you need to go to hospital for vaginal discharge examination, prohibit sex during treatment, choose suitable anti-inflammatory and anti-infective drugs according to the examination result; 2, it may be related to inattention to vaginal hygiene, usually you should pay attention to the hygiene of sex life, afterwards you should promptly wash your vulva with warm water 3. It is also related to men’s rough behavior, which leads to vaginal mucosa congestion, edema, and even damage and pain; 4. Avoid spicy and stimulating diet, such as spicy hot tea, strong tea, coffee, etc., and eat more fruits and vegetables to enhance immunity to relieve pain.