The invention discloses a closed type intensive care human body disinfection device which comprises a vertical rectangular frame. A moving mechanism is arranged on the lower surface of the vertical rectangular frame. A closed disinfection mechanism is arranged on the inner side surface of the vertical rectangular frame. A display mechanism is arranged on the upper surface inside the vertical rectangular frame, a foot disinfection mechanism is arranged on the lower surface inside the vertical rectangular frame, a controller is arranged on the side surface of the vertical rectangular frame, and the controller is electrically connected with the closed disinfection mechanism, the display mechanism, the foot disinfection mechanism and a hand disinfection mechanism. The closed type intensive care human body disinfection device has the advantages of being simple in structure and high in practicability.