Usually, the postpartum dew is cleared in a month or so, but if you still have dew after 70 days, first of all, it may be due to poor uterine regeneration. It is recommended to go to the gynecology department of a regular hospital for an ultrasound examination of the uterus to understand the contraction and recovery of the uterus. It is also recommended to rule out the possibility of a small residue in the uterine cavity and to check whether there is any infection in the uterine cavity. According to the specific situation targeted treatment. The mother must pay attention to rest and avoid strenuous exercise and heavy physical labor. Pay attention to personal hygiene, wash your vulva with warm water every day, change your underwear regularly, and keep your vulva clean and dry. Long-term bleeding may cause anemia symptoms, it is recommended to eat more spinach, fungus, dates, pig liver, cinnamon, black sesame and other blood-supplementing foods.