During the epidemic，the supply side of the tourism industrial chain has undergone great changes in the respect of investment，operation，production and so on. Likewise，the alternations of the consumption psychology，habits and quality requirements have occurred in the consumption side. At a time when the demand is still resilient while the consumption is shifting，more comprehensive and in-depth supply-sided reforms are forced to carry out by the market. Tourism companies are required to accommodate to the changes swiftly，come up with good coping strategies and create suitable products. However，tourism enterprises have encountered hurts heavily and just survived，while their developing capabilities and production reserve are far weaker than before. In this case，those promoting changes needs to be based on the all-around assessments and cautious forecasts. The industry still have certain prospects. Hence，companies should stick to self-training，select Appropriate business models，seek for correct development space on the basis of their own resources，capabilities and future positioning，and eventually to subsist and achieve sustainable development.