This report describes the internship experience during four months at Airport of Thailand Public Company Limited Suvarnabhumi airport. And it is divided into five chapters. Chapter one is about background and history of the organization in general. It also included an organization chart, job responsibilities, and duration with work plan. Chapter two presents the literature review which involved with airport management theory for example, the roles and qualifications of AOT office staff, the meaning of Business continuity management. Chapter three summarizes the objectives of the co-operative education and Usefulness of the internships experience that I expect to earn throughout the internship period. Chapter four provides the job description and duties that were assigned also identify clearly what I have done each week and explain in details of each job description and problems and barriers that occurred during an internship. The last chapter discusses the difficulties, also present an knowledge and skills gained from the university can be applied in practice during the internship, recommended to explain their contributions to the organization, conclusion and suggestion.