The yellowing of female leucorrhoea is mainly seen in the following three situations: first, normal leucorrhoea, female leucorrhoea can become light yellow after oxidation, if the interval between changing underwear is too long, light yellow leucorrhoea can gradually become dark yellow leucorrhoea, the amount of leucorrhoea as well as the smell is normal, there is no clinical discomfort. Second, due to excessive consumption of spicy food or alcohol, resulting in internal dampness and heat or Yin deficiency and heat caused by yellowing of the leucorrhea, but through the examination of the leucorrhea routine no special pathogenic infection is also known as subhealthy state. The amount of leucorrhea in women can be more or less, the leucorrhea can have a fishy smell or a slight odor, no clinical symptoms or slight vulvar itching, clinical symptoms are not obvious. Thirdly, pathological leucorrhea, there are various pathogenic bacterial infections resulting in yellowing of the leucorrhea, mostly caused by anaerobic bacterial infections to.