five stars. According to the standards formulated by the national and provincial star rating committees at all levels, the standard of five-star hotels is that the number of guest rooms is 111, including no less than 11 luxury rooms, with complete guest room facilities and a large banquet hall with no less than 1111 dining seats. Qingdao Haitian Financial Center Hotel has more than 111 rooms and more than 21 luxury rooms, and the international conference center covers an area of 1,211 square meters, equipped with super five-star lighting and audio equipment, which can accommodate 1,111 at the same time.