Postpartum disease,refers to the fetus after birth to the period of puerperal and childbirth-related diseases, commonly known as "puerperal fever" ,common postpartum disease:subinvol ution of uterus,postpartum hemorrhage, postpartum fever, puerperal infection, postpartum night sweats, postpartum headache, body pain, postpartum joint pain, postpartum urinary frequency, postpartum urinary retention, postpartum urinary incontinence, milk deposition, acute mastitis, Less milk, postpartum depression and so on. These diseases not only seriously affect the maternal mood and health, but also prevent the mother from breastfeeding normally. Premature prevention of postpartum disease, early detection, early treatment, to ensure that you and your baby's health has a very important significance.