The new negative pressure isolation cabin designed and manufactured by Yantai Hongyuan is mainly used for the isolation and treatment of major acute infectious diseases such as SARS and COVID-19. It can meet the requirements for the isolation of infectious diseases and prevent cross-infection. Meanwhile, it is equipped with diffuse oxygen supply and pipeline oxygen supply in the cabin, with a variety of rescue treatment functions. It can not only meet the needs of the patient's oxygen inhalation, but also create an oxygen-rich environment in the cabin, which is suitable for patient treatment, isolation, rehabilitation.