1. A remote controller comprising:a remote controller body;
a control stick provided on the remote controller body; and
a bracket mounted on the remote controller body, the bracket comprising:
a connecting frame; and
a holding mechanism comprising:
a first clamping member rotatably connected to the connecting frame and comprising a first clamping part;
a second clamping member comprising a second clamping part and a limiting part, the second clamping member being slidably mounted on the first clamping member and configured to adjust a spacing between the second clamping part and the first clamping part;
a limiter rotatably provided on the first clamping member, and the limiter being fitted with the limiting part and configured to limit a relative sliding position of the first and second clamping members, wherein the limiter is configured to be separated from the limiting part in response to the limiter being pressed or to be snapped with the limiting part in response to the limiter being released.