Disclosed is a handle controller which includes a handle body and a light-emitting unit, the light-emitting unit being provided at an end of the handle body and forming a preset angle with the handle body; the light-emitting unit includes a first surface, a second surface, a plurality of first light-emitting marks and a plurality of second light-emitting marks, the second surface covering the first surface; the first light-emitting marks and the second light-emitting marks are both provided on the first surface, and the plurality of first light-emitting marks are distributed annularly; the first light-emitting marks and the second light-emitting marks are configured to illuminate so as to be captured by an imaging device; the first light-emitting marks illuminate for a first period, and the second light-emitting marks illuminate for a second period.