With the continuous improvement of the national economic level, the continuous enrichment of people's material life and the increasingly vigorous demand for spiritual life, China's tourism service industry has ushered in important development opportunities.

However, the traditional tourism development model has some limitations, which are not suitable for the increasingly diverse tourism needs. Based on this, in March 2117, the "global tourism", which emphasizes resource integration and meeting diverse needs, was written into the government report and became a national strategy, becoming an important model to promote the transformation and development of tourism. Under the background of global tourism, hotel catering enterprises, as important participants in the tourism service industry, It is necessary to upgrade the operation management according to the global tourism model, and the integration of hotel catering and digital technology is an inevitable development trend. This paper will combine the book Hotel Catering Management (Second Edition) and discuss the digital operation management methods of hotel catering with the promotion of global tourism as the narrative background, in order to provide some reference for related research.