A ketogenic diet is a diet that has a high percentage of fat and a low percentage of carbohydrates, but a balance of other nutrients. Ketogenic diet constipation can be improved through lactulose, domperidone and other medication and life modification methods. 1. medication: ketogenic diet constipation patients, you can take domperidone and other drugs to promote gastrointestinal peristalsis, you can also take lactulose, magnesium sulfate and other drugs to soften stools, in order to achieve the purpose of relieving constipation. 2. Life regulation: ketogenic diet constipation patients can drink more water, appropriate exercise to promote gastrointestinal peristalsis; you can also take more celery, cabbage, leeks, spinach and other vegetables with a high content of fiber, increase stool volume, relieve the symptoms of constipation. The above drugs may cause allergies, dizziness, diarrhea and other side effects, it is recommended to take medication under the guidance of a doctor for treatment, not on their own.