A linear compressor comprising: a piston configured to reciprocate in a frontward direction and a rearward direction; a supporter configured to support the piston; a rear cover spaced apart from the supporter; and a spring assembly disposed between the supporter and the rear cover, wherein the spring assembly comprises: a plurality of spring parts , each of the plurality of spring parts having a first side portion that supports the supporter and a second side portion that supports the rear cover , and characterized by a pair of fixing brackets having a spring insertion portion , respectively receiving the first side portion and the second side portion , wherein the pair of fixing brackets are respectively coupled to the supporter and the rear cover , wherein each one of the pair of fixing brackets comprises: a bracket main body having the spring insertion portion ; a body coupling portion disposed at two opposite sides of the bracket main body ; and a coupling member that fastens the body coupling portion to the supporter or the rear cover , and wherein the bracket main body has at least one insertion hole , an insertion member being positioned in the at least one insertion hole to contact the first side portion or the second side portion of one of the plurality of spring parts . a piston configured to reciprocate in a frontward direction and a rearward direction; a supporter configured to support the piston; a rear cover spaced apart from the supporter; and a spring assembly disposed between the supporter and the rear cover, wherein the spring assembly comprises: a plurality of spring parts , each of the plurality of spring parts having a first side portion that supports the supporter and a second side portion that supports the rear cover , and characterized by a pair of fixing brackets having a spring insertion portion , respectively receiving the first side portion and the second side portion , wherein the pair of fixing brackets are respectively coupled to the supporter and the rear cover , a plurality of spring parts , each of the plurality of spring parts having a first side portion that supports the supporter and a second side portion that supports the rear cover , and characterized by a pair of fixing brackets having a spring insertion portion , respectively receiving the first side portion and the second side portion , wherein the pair of fixing brackets are respectively coupled to the supporter and the rear cover , wherein each one of the pair of fixing brackets comprises: a bracket main body having the spring insertion portion ; a body coupling portion disposed at two opposite sides of the bracket main body ; and a coupling member that fastens the body coupling portion to the supporter or the rear cover , and wherein the bracket main body has at least one insertion hole , an insertion member being positioned in the at least one insertion hole to contact the first side portion or the second side portion of one of the plurality of spring parts . a bracket main body having the spring insertion portion ; a body coupling portion disposed at two opposite sides of the bracket main body ; and a coupling member that fastens the body coupling portion to the supporter or the rear cover , and wherein the bracket main body has at least one insertion hole , an insertion member being positioned in the at least one insertion hole to contact the first side portion or the second side portion of one of the plurality of spring parts . a coupling member that fastens the body coupling portion to the supporter or the rear cover , and wherein the bracket main body has at least one insertion hole , an insertion member being positioned in the at least one insertion hole to contact the first side portion or the second side portion of one of the plurality of spring parts . <EOS>