The invention provides an air curtain breathing mask. The air curtain breathing mask comprises a head-mounted device and batteries. The air curtain breathing mask is characterized by further comprising a pair of earlaps, wherein the inner side surfaces of the earlaps are connected with the two ends of the head-mounted device respectively, a cavity is arranged in each earlap, the batteries are installed at the bottoms of the cavities, and an air purifying device and an air curtain centrifugal fan are arranged in the cavity in sequence from outside to inside; besides, the air curtain breathing mask further comprises a flow channel, the flow channel is of a hollow tubular structure, the two ends of the flow channel are connected with air outlets of the air curtain centrifugal fans installed in the left earlap and the right earlap respectively, and an exhaust port is further formed in the flow channel. By the adoption of the air curtain breathing mask, pure air is efficiently provided, a user will not feel suffocated, filtered air can be correspondingly and automatically processed according to the current environment, so that the air which is breathed in by the user is healthier, the demand of the user for air quality is better met, and user experience is perfect.