Convenient double-air-valve double-channel deep anti-poison mask

The utility model provides a convenient double-air-valve double-channel deep anti-poison mask, and mainly relates to the field of masks. The utility model discloses a convenient double-air-valve double-channel deep anti-poison mask. The protective cover comprises a transparent protective cover body, an exhalation valve and an inspiration valve are arranged on the protective cover body, the exhalation valve is an outwards-opened check valve, the inspiration valve is an inwards-opened check valve, the outer side of the inspiration valve is detachably connected with an inspiration pipe, the end,away from the inspiration valve, of the inspiration pipe is detachably connected with an inspiration box, and an inspiration filtering layer is arranged in the inspiration box. The mask has the advantages that different channels are adopted for breathing and inhaling through the double-channel arrangement mode, the remaining amount of exhaled air in the mask is reduced, and the breathing efficiency is improved. The main f