A work system comprising: a plurality of work machines, and a control device, the control device comprising: a control unit configured to acquire individual information indicating a state of a predetermined member of one work machine of the plurality of work machines configured to execute work using the predetermined member, and instruct a state adjustment mechanism configured to adjust the state so that a difference (Δh) between the state indicated by the individual information and a reference value of a state common to another state of another member of another work machine of the plurality of work machines is reduced, wherein the control unit is adapted to receive another individual information indicating the another state of the another member of the another work machine from the another work machine, and to adopt the another state indicated by the received another individual information as the reference value, and wherein each of the plurality of work machines includes a vehicle body having wheels traveling on a ground surface and the state adjustment mechanism installed therein; a cutter blade to which the state adjustment mechanism is connected; and a height detection unit (38, 138) configured to detect a height of the cutter blade as the state, and wherein the state adjustment mechanism is a height adjustment mechanism configured to adjust the height. a plurality of work machines, and a control device, the control device comprising: a control unit configured to acquire individual information indicating a state of a predetermined member of one work machine of the plurality of work machines configured to execute work using the predetermined member, and instruct a state adjustment mechanism configured to adjust the state so that a difference (Δh) between the state indicated by the individual information and a reference value of a state common to another state of another member of another work machine of the plurality of work machines is reduced, wherein the control unit is adapted to receive another individual information indicating the another state of the another member of the another work machine from the another work machine, and to adopt the another state indicated by the received another individual information as the reference value, and wherein each of the plurality of work machines includes a vehicle body having wheels traveling on a ground surface and the state adjustment mechanism installed therein; a cutter blade to which the state adjustment mechanism is connected; and a height detection unit (38, 138) configured to detect a height of the cutter blade as the state, and wherein the state adjustment mechanism is a height adjustment mechanism configured to adjust the height. a control unit configured to acquire individual information indicating a state of a predetermined member of one work machine of the plurality of work machines configured to execute work using the predetermined member, and instruct a state adjustment mechanism configured to adjust the state so that a difference (Δh) between the state indicated by the individual information and a reference value of a state common to another state of another member of another work machine of the plurality of work machines is reduced, wherein the control unit is adapted to receive another individual information indicating the another state of the another member of the another work machine from the another work machine, and to adopt the another state indicated by the received another individual information as the reference value, and wherein each of the plurality of work machines includes a vehicle body having wheels traveling on a ground surface and the state adjustment mechanism installed therein; a cutter blade to which the state adjustment mechanism is connected; and a height detection unit (38, 138) configured to detect a height of the cutter blade as the state, and wherein the state adjustment mechanism is a height adjustment mechanism configured to adjust the height.