The diamond represents the grade of the group, and the star represents the grade of the hotel. Generally, hotels with 3 stars or less are arranged, and other services are relatively standardized. Generally speaking, diamond groups have to stay in hotels with more than 4 stars, and the catering and service are better than ordinary standard groups.

"Diamond" hotels are rated as catering industry, while "Star" hotels are rated as accommodation industry. The scope of the "drill level" assessment includes "hotels" and "restaurants", that is, restaurants, restaurants, restaurants, bars, restaurants with various flavors, franchisees, teahouses and other forms of catering enterprises.

The evaluation results will be marked by restaurants and hotels in Guochao (five diamonds), Grade I (four diamonds), Grade II (three diamonds), Grade III (two diamonds) and Grade IV (one diamond). The evaluation is based on the Regulations on Classification and Grading of Hotels and Restaurants promulgated by the relevant state departments.