Novel air purification hood

The utility model relates to the technical field of protective articles, in particular to a novel air purification hood which comprises a hood body, the interior of the hood body is divided into a head top air bag and a wearing area through a diaphragm, check curtains are arranged on the two sides of the wearing area respectively, the tops of the check curtains are connected with the bottom of the diaphragm, and the outer side edges of the check curtains are connected with the inner side wall of the wearing area. The lower ends of the inner side edges of the two check curtains are connected together through a hanging rope, the hood body is provided with an air inlet pipe used for supplying purified air, the air inlet pipe is communicated with the overhead air bag, the front portion of the diaphragm is provided with a communication port so that air can be supplied to the front portion of the wearing area through the overhead air bag, and the rear side wall of the wearing area is provided with an exhaust port.