Deep ultraviolet disinfection mask

A deep ultraviolet disinfection mask comprises a mask face mask and a disinfection ventilation chamber, the disinfection ventilation chamber is of an annular box-shaped structure or a strip-shaped tubular structure, a first lamp strip and/or a second lamp strip are/is arranged on the inner wall of the disinfection ventilation chamber, and a sealed annular breathing channel is formed between two lamp strip back plates and the front side face and the rear side face of an annular box. The annular breathing channel is divided into an air inlet and outlet and a breathing opening by a partition plate, the breathing opening is communicated with the notch (12), the air inlet and outlet is formed in the annular side wall of the disinfection ventilation chamber, the air outlet faces upwards to allow the nose of a user to breathe, and the air outlet faces downwards to be communicated with the breathing opening through the annular breathing channel; the two poles of the first and/or second lamp strip and the two poles of