Folding handheld fan

The utility model relates to the field of fans, in particular to a folding handheld fan. The folding handheld fan comprises a shell, protective covers are arranged on the two sides of the shell, a driving motor is arranged in the shell through a support, and fixedly-connected fan blades are arranged at the output end of the driving motor; and the auxiliary assembly is arranged on the side wall of the shell, and the auxiliary assembly comprises a connecting ring, an exhaust ring, a connecting disc, a through hole and a placing cylinder. According to the folding type handheld fan, when people add ice blocks or cold water into the containing barrel, the containing barrel can be installed back again, at the moment, people control the driving motor through the switch to drive the fan blades to work, and when flowing air blows out of the interior of the exhaust ring in the auxiliary assembly, the fan blades are driven to work. The flowing air flow can take away ice blocks below or cold air on the flowing cold water