Disclosed is a handheld fan, including a main body, a housing cover and a fan blade. The main body includes a handheld area and a fan blade area longitudinally arranged, the main body is internally provided with a driving device, the driving device drives the fan blade to rotate, a sliding connecting structure is arranged between the main body and the housing cover, the housing cover leans against the sliding connecting structure and slides relative to the main body, and the housing cover has two working positions, one for covering the fan blade area and the other for exposing the fan blade area.