Isolation hood with protection function

The utility model relates to the technical field of isolation head covers, and discloses an isolation head cover with a protection function, which comprises a head cover body, a protection component, a ventilation component and a breathing component, the protection component is arranged at the top of the head cover body, and the breathing component is arranged at the front end of the head cover body. A ventilation assembly is arranged on the side, away from the breathing assembly, of the hood body. The ventilation assembly comprises a fixing block and an electric exhaust fan. When a worker needs to wear the hood for a long time, air in the hood body and external air can be exchanged by starting an electric exhaust fan in cooperation with an air exchange hole, a ventilation groove and an air outlet, and the ventilation speed of the air in the hood body and the external air can be increased in cooperation with a breathing assembly. Meanwhile, a second protective net, a second activated carbon filter net and a s