Disclosed is a fishing reel with a rocker arm assembly which can be assembled or disassembled single-handedly, comprising a fishing reel main body, a main body cover, a winding reel, a transmission device and a rotor. The transmission device comprises a gear plate and a rocker arm assembly, wherein the rocker arm assembly is inserted into a centre shaft hole connecting the gear plate. The rocker arm assembly comprises a rocker arm hexagon core, a rocker arm sleeve, a rocker arm and a handle, wherein the rocker arm hexagon core is inserted into and connects the rocker arm sleeve, the rocker arm sleeve is connected to one end of the rocker arm, and the other end of the rocker arm is movably connected to the handle. The fishing reel thus has a rocker arm assembly which is flexibly combined, and can be assembled and disassembled single-handedly.
