Postpartum glucose tolerance abnormality may be diabetes mellitus combined pregnancy or gestational diabetes mellitus, the time to return to normal varies from person to person, diabetes mellitus combined pregnancy generally will not be recovered, and need to be adjusted for a long time, gestational diabetes mellitus, postpartum blood glucose can be gradually returned to normal within 6 to 12 weeks. Postpartum abnormal glucose tolerance is divided into two cases, one is diagnosed with diabetes before pregnancy, called diabetic pregnancy; one is found during pregnancy abnormal glucose tolerance caused by varying degrees of hyperglycemia, when hyperglycemia reaches a certain standard that is called gestational diabetes mellitus. 1. Diabetes mellitus combined with pregnancy: diabetes mellitus combined with pregnancy is still diabetes mellitus after delivery, which needs to be controlled and treated for a long period of time, and will not return to normal on its own. 2. Gestational diabetes: Gestational diabetes patients can return to normal within 6 to 12 weeks if they have reasonable dietary control and proper exercise after delivery, or if their blood glucose is too high during the period, they can control their blood glucose under the guidance of a doctor to promote their recovery as soon as possible. Postpartum abnormal glucose tolerance should pay attention to dietary control, eat less food with high sugar content, appropriate exercise, regular work and rest, and prohibit smoking and alcohol. If you find abnormal glucose tolerance, you need to go to the hospital in time, under the guidance of the doctor for standardized examination and treatment.