Negative-pressure self-service sampling room with external disinfection function

The utility model relates to a negative-pressure self-service sampling room with an external disinfection function. The sampling chamber comprises a sampling chamber body, the sampling chamber body is provided with a chamber door, an air inlet channel communicated with the interior of the sampling chamber body is arranged outside the sampling chamber body, a first air filtering structure is arranged inside the air inlet channel, and the sampling chamber body is provided with an air outlet channel. The air outlet channel is provided with a second air filtering structure, a first air disinfecting and killing structure and a first air draft device, a sample bin, a gesture sensing device and a first ultraviolet lamp are arranged in the sampling chamber body, an electric door opening and closing device is arranged on the chamber door, and a scanning device and a first human body sensing device are arranged on the outer front face of the sampling chamber body. The electric door opening and closing device is electri