A plug-and-play multifunctional attachment of a remote control rotorcraft, which includes: an attachment body that includes a device board and a remote control receiver unit. The device board has a top surface to which a first coupling member is mounted. The remote control receiver unit is mounted to and electrically connected to a bottom surface of the device board. Wireless transmission of a signal is enabled between a remote control device and the remote control receiver unit. A second coupling member is mounted to a bottom of an unmanned aircraft to enable selective engagement and coupling between the second coupling member and the first coupling member.