A parameter management device manages parameter groups each of which includes a plurality of parameters and serves as a base for control in an industrial device. The parameter management device includes: a registration means in which the parameter groups are registered; a parameter editing means for changing the values of the parameters; a change history storage means for storing a change historyinformation item of each parameter; an acquisition means for acquiring the change history information item of each parameter that is stored in the change history storage means; a display means for displaying change history information items of the plurality of parameters that are acquired by the acquisition means; a selection input means to be operated by an operator in order to select whether ornot to reflect the change for each of the parameters having the change history information items displayed by the display means; a determination input means to be operated by the operator in order todetermine a value selected by the operator via the selection input means; and an update registration means for registering, in the registration means, the parameter group that includes a value on which a determination operation is performed by the determination input means.