Introduction: Dorothea Orem's theory of self- care aid the nurses in deciding which aspects of patient care should be prioritized in specific situation and the importance of patients maintaining autonomy over their self-care procedures emphasize sex. Self-care is termed as a "a set of behaviours that you perform regularly throughout your life". A closer look at this list of activities will help you understand a person's attempts to maintain optimal health, avoid illness, and recognize and manage signs and symptoms as early as possible. Long- term ailments involves many activities. Participating in self-care activities can therefore provide a range of different experiences depending on the scope of the activity being done and the motivation to complete it. Her three aspects of Orem's General Theory are Self- Care theory, Self-care Deficiency Theory, and Systems of Care Theory. Objectives: The objectives of this study were to describe the applicability of the theory to practice, determine the impact of Orem's nursing theory on patients' quality of life and self-efficacy, assess the impact of Orem's self-care model on patients' lives, examine the impact of Orem's self-care model on the reduction and prevention of diseases, and determine the effect of Orem's self-care nursing theory in Midwifery and Obstetrical Nursing. We study disease reduction and prevention to evaluate the benefits of Orem's Self-Care theory in midwifery and obstetrics. Methodology: Descriptive method for the applicability of Orem's theory Type of study: content analysis. Results: Orem's self-care theory can be applied to any clinical setting.