A dishwasher comprising: a main body forming an appearance of the dishwasher; a washing chamber disposed in the main body to provide a washing space for a dish, wherein the washing space includes a rack arranged to accommodate a dish, and a nozzle for spraying washing water; a sump arranged to collect washing water supplied to the washing space; a water supply device arranged to supply the washing water to a water softener disposed in the main body and arranged to soften the washing water; a distributor comprising a two-way valve arranged to distribute the water softened by the water softener to a steaming device and the sump, wherein the steaming device is provided with a steam heater for generating steam from the washing water supplied by the water supply device; a flow control part arranged to control an amount of the softened water distributed to the steaming device or the sump by the distributor; a heater disposed in the sump and arranged to heat the washing water; and a control part arranged to control a washing process in which washing water including a detergent is sprayed toward the dish and a rinsing process in which the dish is rinsed after the washing process, wherein the control part is arranged to control the rinsing process such that the rinsing process includes: a first rinsing operation in which the control part turns off the heater and the washing water stored in the sump is sprayed through the nozzle after the washing process; a second rinsing operation in which the washing water heated by the heater is sprayed through the nozzle after the first rinsing operation; and a third rinsing operation in which the control part turns off the heater and the washing water stored in the sump is sprayed through the nozzle after the second rinsing operation. a main body forming an appearance of the dishwasher; a washing chamber disposed in the main body to provide a washing space for a dish, wherein the washing space includes a rack arranged to accommodate a dish, and a nozzle for spraying washing water; a sump arranged to collect washing water supplied to the washing space; a water supply device arranged to supply the washing water to a water softener disposed in the main body and arranged to soften the washing water; a distributor comprising a two-way valve arranged to distribute the water softened by the water softener to a steaming device and the sump, wherein the steaming device is provided with a steam heater for generating steam from the washing water supplied by the water supply device; a flow control part arranged to control an amount of the softened water distributed to the steaming device or the sump by the distributor; a heater disposed in the sump and arranged to heat the washing water; and a control part arranged to control a washing process in which washing water including a detergent is sprayed toward the dish and a rinsing process in which the dish is rinsed after the washing process, wherein the control part is arranged to control the rinsing process such that the rinsing process includes: a first rinsing operation in which the control part turns off the heater and the washing water stored in the sump is sprayed through the nozzle after the washing process; a second rinsing operation in which the washing water heated by the heater is sprayed through the nozzle after the first rinsing operation; and a third rinsing operation in which the control part turns off the heater and the washing water stored in the sump is sprayed through the nozzle after the second rinsing operation. a first rinsing operation in which the control part turns off the heater and the washing water stored in the sump is sprayed through the nozzle after the washing process; a second rinsing operation in which the washing water heated by the heater is sprayed through the nozzle after the first rinsing operation; and a third rinsing operation in which the control part turns off the heater and the washing water stored in the sump is sprayed through the nozzle after the second rinsing operation.