Tummy pain on the tenth day of delivery may be due to postpartum breastfeeding, retained placenta membranes, intrauterine infections, etc. Symptoms can be relieved through observation, medication or treatment such as uterine evacuation and anti-infection. 1. Postpartum breastfeeding: After giving birth to a breastfeeding woman, the baby will stimulate the contraction of the uterus in the process of sucking on the milk and produce the symptoms of stomach pain, which is a physiological phenomenon, usually without special treatment, after stopping breastfeeding, the pain will be relieved. 2. Placenta-membrane residue: If there is placenta-membrane residue in the uterus on the 10th day of labor, the uterus needs to contract to help discharge it, and this process may also cause pain, and can be relieved after the residue is discharged, and if the residue cannot be discharged on its own, it will need to be removed from the uterus if necessary. 3. Intrauterine infection: stomach pain on the tenth day of labor may be caused by intrauterine infection, which may also be accompanied by foul-smelling discharge, fever, you can go to the hospital to check whether the infection, under the guidance of the doctor with antibiotics, such as cephalosporins, metronidazole and so on. The tenth day of the stomach pain is more causes, the pain is more obvious and lasts for a long time to consult a doctor in a timely manner, the above drugs used in accordance with the doctor’s instructions.