② Depth analysis:

First of all, judging from the hotel's hardware facilities, Hyperion Hotel has 200 rooms, of which the superior suite and the executive suite are more luxurious. The hotel also has a restaurant, bar, outdoor swimming pool, spa, gym, meeting room and so on. The supporting facilities are also relatively comprehensive and high-end. This meets the hardware standards of four-star hotels.

Secondly, in terms of hotel services, Hyperion Hotel provides 24-hour personal butler, doorman, room service and other personalized services. The hotel also conducts regular training for service personnel, requiring friendly service attitude, standardized and efficient operation. This also meets the service requirements of high-star hotels.

Thirdly, from the perspective of hotel positioning and tourists, Haibaoliang Hotel is mainly for high-end business people, government and enterprise customers and high-end tourists. The house price belongs to the middle and high grade, and the main customers are business travelers and vacationers. This is in line with the customer orientation of a four-star hotel.

Finally, judging from the hotel evaluation, Hyperion Hotel ranks among the best hotels in Tongliao, and its rating on domestic hotel reservation websites is above 4.5 stars, which is a highly rated hotel. This also confirms the service quality of its four-star hotel from the side.

To sum up, we can judge from the aspects of hardware facilities, service quality, customer orientation and customer evaluation. Tongliao Haibo Hotel meets the requirements of high-end business four-star hotels. High-quality and high-priced rooms, diversified catering and conference facilities, personalized and caring service and high-end tourists all determine that it belongs to a four-star hotel. Therefore, it can be confirmed that the hotel star of Tongliao Haipuliang Hotel is four-star.

③ Tongliao Haipuliang Hotel can provide the following suggestions:

1. Hotels should further improve environmental sustainability, increase investment in environmental protection measures, and pursue higher green stars. This is also in line with the tourism concept of high-end guests.

2. The hotel should strengthen the construction of characteristic theme culture, embody Mongolian characteristics in the decoration design, and enhance the unique charm of the hotel. This can also attract more cultural experience guests.

3. Hotels should strengthen intelligent service and management, and use more scientific and technological means in rooms, conferences, front desk and other services to improve service experience and efficiency. This is in line with the development direction of the intelligent age.

4. Hotels should further expand high-end conference facilities, develop more conference suites and banquet halls, and increase the proportion of conference business. Conference market is an important source of tourists for high-end business hotels.

5. The hotel should constantly improve the service specialization and quality of employees, organize regular training and assessment, and promote service standardization and consistency. Service quality is an important competitiveness of high-star hotels.