A droplet discharge device comprising: a drive signal generation circuit configured to generate a drive signal; and a droplet discharge head, said droplet discharge head being provided with: a plurality of nozzles configured to discharge droplets; a plurality of pressure chambers communicating with the nozzles; and a plurality of pressure generation units configured to change a capacity of each pressure chamber by applying the drive signal, wherein the drive signal includes an expansion pulse to expand the capacity of each pressure chamber and a contraction pulse to contract the capacity of each pressure chamber, said contraction pulse following the expansion pulse, and the plurality of nozzles are divided into a plurality of groups each comprising one or more nozzles (18a, 18b), wherein the drive signal generation circuit is configured to generate the drive signal such that a drive voltage value of the expansion pulse is set to be common to the respective groups, and a drive voltage value of the contraction pulse, which is independently set in accordance with a droplet speed for each group, is applied to the droplet discharge head for discharging the droplets. a drive signal generation circuit configured to generate a drive signal; and a droplet discharge head, said droplet discharge head being provided with: a plurality of nozzles configured to discharge droplets; a plurality of pressure chambers communicating with the nozzles; and a plurality of pressure generation units configured to change a capacity of each pressure chamber by applying the drive signal, wherein the drive signal includes an expansion pulse to expand the capacity of each pressure chamber and a contraction pulse to contract the capacity of each pressure chamber, said contraction pulse following the expansion pulse, and the plurality of nozzles are divided into a plurality of groups each comprising one or more nozzles (18a, 18b), wherein the drive signal generation circuit is configured to generate the drive signal such that a drive voltage value of the expansion pulse is set to be common to the respective groups, and a drive voltage value of the contraction pulse, which is independently set in accordance with a droplet speed for each group, is applied to the droplet discharge head for discharging the droplets. a plurality of nozzles configured to discharge droplets; a plurality of pressure chambers communicating with the nozzles; and a plurality of pressure generation units configured to change a capacity of each pressure chamber by applying the drive signal, wherein the drive signal includes an expansion pulse to expand the capacity of each pressure chamber and a contraction pulse to contract the capacity of each pressure chamber, said contraction pulse following the expansion pulse, and the plurality of nozzles are divided into a plurality of groups each comprising one or more nozzles (18a, 18b), wherein the drive signal generation circuit is configured to generate the drive signal such that a drive voltage value of the expansion pulse is set to be common to the respective groups, and a drive voltage value of the contraction pulse, which is independently set in accordance with a droplet speed for each group, is applied to the droplet discharge head for discharging the droplets.