Stomach pain after cesarean section may be related to hunger caused by fasting and water confinement after operation and the enlarged uterus pressing on the stomach which has not recovered in time, etc. You can eat some liquid food and warm food, and if there is no relief for a long time, it should be considered to be caused by disease and you should tell your doctor in time. After resuming diet after cesarean section, you can eat liquid food first, such as noodles in soup, nutritious porridge, fish soup, rice paste, lotus root powder and fruit juice, etc. These foods will help digestion and absorption, and relieve stomach pain caused by hunger. However, stomach pain after cesarean delivery may be caused by stomach diseases, such as gastritis, gastric ulcer, etc. If it is not relieved for a long time, inform your doctor for prompt treatment. After cesarean delivery, you should eat small meals and take proper exercise, in addition to getting enough rest, keeping your mood happy and seeking medical attention when you feel uncomfortable.