To meet the needs of a clean and sterile treatment environment built quickly in cases of various medical emergencies and to alleviate problems like insufficient medical resources and regional imbalance exposed during the pandemic outbreak, this product adopts the integrated telescopic design so that it can be built and transported easily, which is applicable to an area of various sizes and enables quick building of a highly clean localized environment. Such a product effectively prevents and reduces infections among susceptible population. Besides, the intelligent system presents real-time data inside the environment built, offering users quick access to information for timely adjustment.