Commitment has been associated with quality nursing care because it contributes to the understanding of finding meaning and value of work. This article describes the Theory on Commitment and Care in Nursing that focus on how the nurses' commitment in an organization affects the nursing care they are providing to the patients. The factors that affect a person's commitment are job satisfaction, work autonomy, trainings, working environment conditions, pay and benefits, investments, retirement plans, obligations, return service. These factors play a vital role in the commitment of nurses and thus, reflect on the delivery of the nursing practice to the patients. The model shows the framework and the relationship of the internal factors inside the workplace that influence the quality of patient care. It presents how these internal factors could strengthen or weaken the nurses' commitment to patient care. This commitment propels the nurse to achieve his/her goals in the nursing process.