Shown are a coffee extraction system and a coffee extraction method using the same. A coffee extraction system, according to one embodiment of the present invention, includes: an extraction water storage tank which stores extraction water; a body unit which accommodates ground coffee beans and includes a coffee extractor which is supplied with the extraction water from the extraction water storage tank to extract liquid coffee, wherein the coffee extractor accommodates the ground coffee beans and has a first extraction water supply channel communicating with the extraction water storage tank and with a side portion to which the extraction water is supplied; an upper cover, coupled to an upper portion of the body unit, which has a second extraction water supply channel, which communicates with the extraction water storage tank and through which the extraction water is supplied, and which has a first liquid coffee discharge channel through which the extracted liquid coffee is discharged; and a lower cover, coupled to a lower portion of the body unit, which has a third extraction water supply channel, which communicates with the extraction water storage tank and through which the extraction water is supplied, and which has a second liquid coffee discharge channel, through which the extracted liquid coffee is discharged.