Improved angle grinder

The utility model relates to the technical field of angle grinders, in particular to an improved angle grinder which comprises an angle grinder body, an angle grinding disc is connected to the angle grinder body, a bottom layer protective cover is installed on the side, close to the angle grinder body, of the outer portion of the angle grinding disc, and the bottom layer protective cover covers the outer side of the angle grinding disc. An outer side protection plate is installed on the other side of the bottom layer protection cover, and a cooling fan is installed in the outer side protection plate. Through the tail end of the angle grinder body and the holding part and the side holding rod which are externally connected, the angle grinder body can be conveniently held, grinding and cutting are better, efficiency is higher, meanwhile, in the grinding and cutting process, the cooling fan is matched with the bottom layer protective cover and the outer side protective plate for mutual use, heat dissipation of t