At present, smart tourism supported by Internet of things, big data and cloud computing technology has become the neces-sity of tourism development, and it has become an urgent task to cultivate talents in the direction of smart tourism. As the key tech-nology of smart tourism, big data analysis technology is the technical core course of smart tourism talent training. However, thereare some problems in the practical teaching of big data course in the direction of smart tourism, such as the formulation of trainingplan and teaching content, the selection of teaching methods and assessment methods, etc. Based on the case study of IntelligentTourism Discipline in school of tourism and landscape architecture of Guilin University of technology, this paper discussesontheproblems and reform practice of data science teaching in the process ofintelligenttourismtalenttraining.