This section mainly analyzes the index development，brand list，supply situation and market performance of hotel chains in the tourism and accommodation industry. Economic hotel chains are the cornerstone of the domestic hotel market. In 2019，the domestic economy hotel brand TOP10 is still concentrated in the Jinjiang groups，BTG Home Inn Group，and the Huazhu group. In addition，OYO locked in the integration of small and medium-sized hotel markets to arouse catfish effect. In the context of declining operations，homogeneity and saturation，brands strive to achieve breakthroughs through product upgrades，market expansion，direct sales promotion and technological empowerment.