A fishing system (10, 10A) comprising: an unmanned aerial vehicle (100, 100A); and a fishing line fixing portion detachably fixed to a main body of the unmanned aerial vehicle (100, 100A) and fixing a fishing line, wherein the unmanned aerial vehicle (100, 100A) comprises: an imaging device, a connection control unit configured to release a fixing between the main body and the fishing line fixing portion, and a fish school tracking processing unit configured to identify a fish in imaging data captured by the imaging device and control the unmanned aerial vehicle to track the fish, wherein the fishing line fixing portion comprises a first fixing portion and a second fixing portion, a fixing between the main body and the first fixing portion and a fixing between the main body and the second fixing portion are configured to be independently released, and the connection control unit is configured to drop the artificial bait into the sea together with the first fixing portion when the fixing between the main body and the first fixing portion is released, characterized in that the unmanned aerial vehicle (100, 100A) further comprises a hooking determination processing unit configured to determine whether the fish is hooked on an artificial bait attached to a first end of the fishing line, and the connection control unit is configured to release the fixing between the main body and the second fixing portion and to drop the second fixing portion into the sea when the fish is hooked. an unmanned aerial vehicle (100, 100A); and a fishing line fixing portion detachably fixed to a main body of the unmanned aerial vehicle (100, 100A) and fixing a fishing line, wherein the unmanned aerial vehicle (100, 100A) comprises: an imaging device, a connection control unit configured to release a fixing between the main body and the fishing line fixing portion, and a fish school tracking processing unit configured to identify a fish in imaging data captured by the imaging device and control the unmanned aerial vehicle to track the fish, an imaging device, a connection control unit configured to release a fixing between the main body and the fishing line fixing portion, and a fish school tracking processing unit configured to identify a fish in imaging data captured by the imaging device and control the unmanned aerial vehicle to track the fish, wherein the fishing line fixing portion comprises a first fixing portion and a second fixing portion, a fixing between the main body and the first fixing portion and a fixing between the main body and the second fixing portion are configured to be independently released, and the connection control unit is configured to drop the artificial bait into the sea together with the first fixing portion when the fixing between the main body and the first fixing portion is released, characterized in that the unmanned aerial vehicle (100, 100A) further comprises a hooking determination processing unit configured to determine whether the fish is hooked on an artificial bait attached to a first end of the fishing line, and the connection control unit is configured to release the fixing between the main body and the second fixing portion and to drop the second fixing portion into the sea when the fish is hooked.