Introduction: One of the most eminent phase of women’s life is pregnancy. Pregnancy is a natural physiological process but postnatal complications poses a unique and gender-based challenge for physical therapist. Aim/Objectives: To compare various exercises to strengthen the core muscles after delivery in the postpartum period. Methodology: Total 70 studies were checked and total 39 were not suitable for the study. Total 20 articles were selected which were RCT. Result: It has been reported that the therapeutic exercises can improve lung functions by increasing forced vital capacity and forced expiratory volume. Conclusion: Based on included articles, this study concluded that core strengthening exercise improved strength of pelvic floor muscles, reduced lumbopelvic pain, and improved quality of life in postpartum women.