The invention provides a cup-shaped mask, which comprises a mask body, a respiratory valve, a filter and an ear strap, wherein that cent of the mask body is protruded into a cup-shaped mask, the edgeof the mask body is circumferentially provided with a sealing edge strip, the upper two ends of the sealing edge strip and the low two ends of the sealing edge strip are fixedly connected with ear straps, and a respiratory valve is installed at the center of the protruding part of the mask body. The invention has the advantages of simple structure, reliable quality, health and environmental protection, solves the problems of poor air permeability of the mask, easy breeding of bacteria in the mask and the like, ensures smooth breathing when a person wears the mask, and adopts two ear straps respectively fixed between the ears and the back neck to alleviate the pressure of the ears.