Hospitality industry is the most favorable industry among people in Western context because it is the back end that provides customer service, quality employee-customer relationships and other factors. In this analysis, organizational citizenship behavior becomes the main aspect of the hospitality industry due to the challenges and contributions that should be accepted and taken into account to ensure that management can improve this industry in the future. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an Original Essay Over the past few decades, OCB in the hospitality industry has become an important area of ​​focus for practitioners and academic researchers. Furthermore, numerous empirical studies indicate a positive relationship between job satisfaction and OCB. Therefore, one of the key strategies to understand the determinants and consequences of organizational citizenship behavior for the hospitality industry is very important. World-class organizations have people who go beyond their formal job responsibilities and are ready to dedicate their extra time and energy to work. This phenomenon is known as “Organizational Citizenship Behavior” (OCB), although this orientation is rare in many service industries but can prove very useful not only to combat competition but also to develop a culture of cooperation and successful performance. Organizational citizenship behavior (OCB) has three characteristics: First, OCB is considered a discretionary behavior, which is not part of the job description, and is performed by the employee as a result of personal choice. Second, OCB is an enforceable requirement of the job description. Finally, OCB contributes positively to overall organizational effectiveness. The body's classification of the various dimensions of OCB can be summarized into 5 main determinants that will be used as a tool to analyze the relationship between OCB, employee satisfaction and customer satisfaction and loyalty in this study: Altruism, "helping other members of the organization in their work "tasks" (e.g. voluntarily helping less qualified or newly hired employees, assisting overloaded or absent colleagues and sharing sales strategies); Courtesy, “preventing problems arising from the working relationship” (e.g. encouraging other colleagues when they are discouraged about their own professional development); Sportsmanship, “accepting less than ideal circumstances” (e.g. minor complaints, real or imagined slights); Civic virtue, “participating responsibly in the life of the company (e.g., attending meetings/functions that are not required but which help the company, keeping abreast of changes in the organization, taking the initiative to suggest how to improve the procedures); Conscientiousness, “dedication to work and desire to exceed formal requirements in aspects such as punctuality or conservation of resources” (e.g. long days, voluntarily doing things in addition to duties, respecting the organization's rules and never losing working time). The tourism industry is often cited as the largest industry in the world, contributing 10% of global GDP. In 2014, there were over 1.1 billion international tourists: this represents a significant economic impact and movement of goods and services. Tourism is also considered an export and is unique in the sense that consumers get to the product where it is consumed on site. According to the United Nations World Tourism Organization (UNWTO) the definition of Tourism can be highlighted as “A social phenomenon,.