It is normal to have red nightmare two weeks after delivery. If the amount of nightmare does not exceed the menstrual period or does not wet a sanitary napkin in 2-4 hours, you can continue to take oral motherwort or biochemical granules to promote uterine contraction. It takes 42 days to get clean, at first the nightmare is red, then it slowly turns into yellow nightmare and then white nightmare, after delivery you can get out of bed and walk around moderately to promote the discharge of blood and nightmare, usually 21 days after delivery to review the first ultrasound, 42 days after delivery to review the second ultrasound, within 1 month after delivery the nightmare slowly turns yellow, most of it will not be red nightmare.