1. Economic strength: Haikou is the core city of China as an international tourist island, with strong development of tourism and service industries. Haikou has a number of national tourist resorts and free trade pilot zones, attracting a lot of investment and talents. Heze, as a prefecture-level city in Shandong Province, has a relatively slow economic development, with agriculture and animal husbandry as its main industries.
2. Educational resources: Haikou has first-class higher education institutions, such as Hainan University and Hainan Medical College. Although there are several undergraduate colleges in Heze, the educational resources are relatively weak.
3. City size and population: Haikou is the capital city of Hainan Province, with a large city size and population. Heze is a prefecture-level city in Shandong Province with a relatively small city scale.