A detachable connecting rod includes a first member including a large end portion having a through hole, and a first connection rod portion extending from the large end portion, the first connection rod portion having a pair of spaced apart arms defining a coupling groove extending in the same direction as an axial direction of the through hole; a second member including a small end portion having a through hole, and a second connection rod portion extending from the small end portion, the second connection rod portion being inserted into the coupling groove; and a coupling unit for coupling the first connection rod portion to the second connection rod portion inserted into the coupling groove of the first member. The detachable connecting rod is useable in a compressor.