Portable dry powder extinguisher

The utility model provides a hand-held dry powder fire extinguisher which comprises a tank body and a protection device which is arranged outside the tank body and is used for protecting the tank body after the tank body topples over, the protective device comprises a protective cover and a fixing device, the protective cover is arranged outside the tank body in a sleeving mode and used for preventing the tank body from directly impacting the ground after the tank body topples over, the fixing device is arranged on the upper end face of the protective cover, located outside the tank body and used for fixing the protective cover to the tank body, and the protective device is arranged outside the tank body. The protective device comprises a protective cover and a fixing device, the protective cover is arranged outside the tank body in a sleeving mode and used for preventing the tank body from directly impacting the ground after the tank body topples over, and the fixing device is arranged on the upper end face