Objective:The objective of the present study was to identify and prioritize the factors affecting the development of tourism in accordance with modern hotel management in the group of Irantourist and tourism hotels.Method:The method of the present study was a descriptive survey of the correlation type and the statistical sample of the study consisted of (255)employees of the Irantourist and tourism investment company who were selected by simple random sampling method.Aquestionnaire was used to collect data.Also,the indicators of tourism development in accordance with modern hotel management were categorized into four main themes: cultural factors, social factors,economic factors,administrative and service factors.The fuzzy AHP method was used to rank the factors and the Expert Choice software was used to analyze the data and prioritize the factors and indicators.Findings:The results of data analysis show that there is a significant relationship between(identifying the traditions and cultural heritage of the people of each region,identifying the cultural practices and values accepted by the people of each region, giving importance to the environment by employees and personnel,informing and installing tourist guide symbols,complying with local laws, regulations and customs,promoting health-oriented and nature-friendly tourism,investing in clean energy and promoting the tourism brand,providing cash and job opportunities in the development of the tourism industry,expanding international cooperation in the field of attracting tourists, crisis management and paying sufficient attention to training specialized human resources,sustainable practices such as minimizing waste and recycling). Conclusion:The tourism industry and paying attention to modern hotel management as one of the important economic sectors of the world,plays a significant role in job creation, income generation and sustainable development.