This section mainly analyzes the supply chain development of upstream and downstream service providers in the tourism and accommodation industry. The mature and stable development of the tourism and accommodation industry is complementary to the development of the supporting industry chain of upstream and downstream service providers. The development of upstream supporting industrial chains is more complete，and a unified network procurement platform can significantly increase the integration effect. The downstream service provider empowers the entire accommodation service chain through wisdom to meet users’ demand，to improve the experience and the effect gradually.