A little yellow discharge after pregnancy is a normal situation, because after pregnancy, due to the increase in hormone levels, leucorrhea secretions will also increase, due to the lack of timely excretion will appear colored yellow phenomenon. If a woman does not have vulvar itching and odor, she can wash her vulva with warm water and change her underwear regularly to keep her vulva clean and hygienic, and the yellowing of the leucorrhea will gradually be relieved. If a woman has yellowish leucorrhea with vulvar itching and odor, most of the cases are due to vaginitis. It is better to go to the hospital for a routine examination of the leucorrhoea and give topical treatment with anti-inflammatory and anti-infective drugs according to the results of the routine examination of the leucorrhoea. It is important to treat vaginitis thoroughly as soon as possible to avoid the occurrence of uterine infections that can affect the growth and development of the embryo.