The causes of irregular menstruation after normal delivery are very complicated, most likely related to endocrine, such as endocrine dysfunction, abnormal thyroid and adrenal cortex function, and also may be related to organic lesions, such as local inflammation of reproductive organs, tumors, malnutrition, etc. Women with irregular menstruation after normal delivery should keep a happy mood, have a positive and optimistic attitude, and avoid depression, frustration and emotional tension. After delivery, you should pay attention to rest and avoid overexertion, and at the same time, you can do proper exercise. Exercise not only can strengthen your body, but also has a role in postpartum menstrual irregularities, so the mother can participate in sports and proper activities.