The yellow color of the discharge and later a little red color is not considered normal and is a sign of unclean discharge. Postpartum women’s discharge consists of three stages, which are bloody discharge, plasma discharge, and white discharge, after delivery, there is a bright red color of bloody discharge, which lasts about a week or so. And then it transforms into plasma colored discharge, which is light red in color and lasts up to about two weeks. Then it transforms into white discharge, which is yellowish or white in color, and it takes two to three weeks before it clears up completely. The yellow color of the discharge is considered to be into the white stage of the discharge or the color of the yellow along with the odor is considered to be the discharge of infection, at this time, the white discharge is normal, the color will generally be slowly yellowish to milky white, and then the discharge of the discharge is completely clean, the yellow color of the discharge and then a little red is considered to be the discharge is not clean. It is recommended that women should go to the hospital in time to do ultrasound review, to see if there is any residual problems in the uterine cavity, such as placenta residue, chorionic villus residue, etc., these residues will lead to maternal persistent bleeding, and need to be cleaned up to treat the uterus. After delivery, women should pay more attention to rest, and any abnormalities in the body should be dealt with in time.