Does the questioner want to ask "what is the current status of domestic and international research on catering" The current status of domestic and international research on catering includes research on the development trend of the catering industry, research on the quality of catering services, research on catering culture and research on catering hygiene and safety.

1, the catering industry development trend research: mainly discuss the catering industry market size, development trend, competition pattern and other issues.

2. Research on Catering Service Quality: It mainly focuses on consumers' perception and evaluation of catering service quality, including service attitude, service speed, service effect and other aspects.

3. Research on Catering Culture: It focuses on the traditions and characteristics of food culture in different parts of China, as well as the influence of food culture on the catering industry.

4. Catering health and safety research: mainly focuses on the health and safety of the catering industry, including health standards, food safety, environmental hygiene and other aspects.