Air purification protective mask

The invention relates to the technical field of medical protectors, and particularly relates to an air purification protective mask. The air purification protective mask comprises a helmet body, a protective mask, a protective shawl, a fan and an air filter, wherein the protective mask is arranged at the front end of the helmet body, the protective shawl is arranged at the rear end of the helmet body, the fan is installed on the helmet body, the fan is arranged at a purified air inlet, the outer side of the fan is connected to the air filter, a purified air outlet is formed in the helmet body,and the purified air outlet is communicated with the purified air inlet. The air purification protective mask has the beneficial effects that purified air is conveyed into the protective helmet, theair purification rate reaches 99% or above, the protection safety is improved, the number of masks worn can be reduced, and therefore the breathing comfort degree and the oxygen supply capacity are improved; protection is prov