Suitable. It is easier to do it near the university, Haidian Island, railway station and other places. Haikou has a large flow of people and moderate consumption level, which is suitable for low-priced fast food business such as box lunch. Haikou is the capital of Hainan Province, the fulcrum city of the national "Belt and Road Initiative" and the core city of China Hainan Pilot Free Trade Zone.