Mask with service life prompt function

The invention relates to a mask with a service life prompt function. The mask with the service life prompt function comprises a mask body provided with a plurality of filter layers, and a prompt device is arranged between the filter layers of the mask body. The prompt device is provided with a recognition unit and an elastic component, wherein the recognition unit protrudes out of the filter layer at the outermost layer of the mask body, and the elastic component can enable the recognition unit to transmit recognition information, so that the service life of the mask can be judged through the recognition unit conveniently. According to the mask, when the recognition unit can not transmit the recognition information, the service life of the mask is over, people can be reminded to replace the mask in time, and then physical health can be guaranteed.