Great changes have taken place in the physical structure of postpartum mothers. The weight of uterus is 20 times that of non-pregnancy, and the burden on various organs is obviously aggravated, such as endocrine system, skin, bones and joints, ligaments, etc. Will change accordingly. After delivery, it takes 6-8 weeks for the organs and reproductive system to recover. In addition, physical discomfort, newborn care, breastfeeding and the role change of new mothers all need professional guidance and professional nursing assistance.