Unmanned aerial vehicle and unmanned aerial vehicle group

The invention provides an unmanned aerial vehicle and an unmanned aerial vehicle group, and relates to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle comprises a shell, a power unit, a propeller, a charging unit and a communication unit, the shell is in a hollow cylinder shape, the propeller and the power unit are arranged in the shell, the power unit is in transmission connection with the propeller, the charging unit is arranged on the surface of the shell and used for being connected with a carrying platform to achieve charging, and the communication unit is used for being in communication connection with the carrying platform, thereby receiving and transmitting signals. The unmanned aerial vehicle is simple in structure, small in size, more flexible in flight and convenient to charge, and the operation time and the endurance mileage are prolonged. And through communication connection with the carrying platform, multiple machines can assist in efficiently completing complex tas