After pregnancy, women often experience itching of the vulva due to hormonal changes in the body. If the itching is mild, it can be cured by washing; if the itching is more serious, it is necessary to treat with rubbing medicine. The first thing you should do is to go to the hospital to review the routine leucorrhoea examination. If the routine leucorrhoea examination is trichomoniasis, you can wash your vulva with an acidic solution, such as potassium permanganate solution in the ratio of 1:5000, and place metronidazole effervescent tablets or tinidazole effervescent tablets in your vagina under the guidance of your doctor, and apply localized If the routine test of leukorrhea shows that it is Candida vaginitis, it is necessary to wash the vulva with an alkaline solution, such as sodium bicarbonate solution, and also to place intravaginal pessary or clotrimazole tablets under the doctor’s guidance, and to apply clotrimazole ointment on the vulva. When a woman is pregnant and has vulvar itching, she must pay attention to the cleanliness of the vulva, do not eat cold, spicy and stimulating food, food is easy to light, wear loose underwear, underwear should be exposed to the sun, which is conducive to the relief of vulvar itching. When a woman is pregnant and vulvar itching occurs, she must use reasonable medication under the guidance of her doctor to avoid affecting the intrauterine growth and development of the fetus.