There are several possibilities for the yellowing of the leukorrhea 50 days after delivery: first, it is a normal physiological phenomenon. Because in the clinic there are some women in the postpartum period of time, or even two months after the leukorrhea is still yellow, and individual physiological characteristics and metabolic patterns and so on, is not an abnormal phenomenon. Because there are individual differences, so women do not need to panic; second, there is an infection, because in the postpartum female body is relatively weak, including the body’s immune function and metabolism have a decline in the process, and will last for a certain period of time. During this period of time, if a woman is infected by bacteria, it can also lead to a yellow color of the leukorrhea, which is also a very common situation; third, a woman may be infected by viruses, such as common adenovirus, EBV and so on, if a woman is infected by viruses, it can also lead to a yellow color of the leukorrhea.