1. An unmanned aerial vehicle, comprising:a fuselage having a battery accommodation cavity, wherein the battery accommodation cavity comprises at least two openings;
a plurality of arms, wherein each arm is coupled to the fuselage, wherein each of the at least two openings is located between two neighboring arms of the plurality of arms;
a propulsion assembly mounted on the each arm, wherein the propulsion assembly comprises a propeller and a motor, the motor being configured to rotate the propeller in order to generate lift force;
an electronic board disposed inside the fuselage, wherein the electronic board comprises at least one of a flight control board, an electronic speed control board, a steering driving board and a radar electronic board; and
at least two battery blocks, wherein each of the at least two battery blocks comprises a battery housing and a battery disposed in the battery housing;
wherein the each of the at least two battery blocks is inserted into the battery accommodation cavity via one of the at least two openings;
wherein at least a portion of the each of the at least two battery blocks is visible in a state where the each of the at least two battery blocks is completely installed into the battery accommodation cavity;
wherein the at least two battery blocks power the electronic board at the same time.