<p>A fixing device includes a first buckling assembly, a second buckling assembly and a pin. The first buckling assembly includes a main body, and a plurality of first holes is formed on the main body. A first arm and a second arm are disposed on the main body. A first fixing component is movably disposed on the first arm. The second arm has a fixing surface. The first fixing component buckles the first object with the fixing surface. The second buckling assembly includes an annular body, and a connecting arm is disposed on an end of the annular body. A second hole is formed on the connecting arm. A second fixing component is movably disposed on the other end of the annular body. The second fixing component buckles the second object with the main body. The pin detachably pierces through one of the first holes and the second hole.</p>
