A setting assistance device configured to assist setting of parameter values in a motor control device that controls a motor, the setting assistance device comprising: an index value calculation unit which is configured to calculate a first evaluation index value which indicates control performance or stability of motor control performed by the motor control device in each of a plurality of conditions in which a combination of values of a first parameter and a second parameter that are set in the motor control device is different; a recommended value calculation unit which is configured to calculate, on the basis of the first evaluation index value in each condition calculated by the index value calculation unit, a recommended value for the first parameter and a recommended value for the second parameter; and a recommended value display unit (14, 16) which is configured to display, on a display, the recommended value for the first parameter and the recommended value for the second parameter together with information indicating a relationship between the combination of the values of the first parameter and the second parameter and the first evaluation index value, the setting assistance device being characterized in that two of a velocity proportional gain, an integral gain and a position proportional gain are used as the first parameter and the second parameter; the index value calculation unit is configured to calculate the first evaluation index value and a second evaluation index value of the motor control performed by the motor control device in a trade-off relationship with the first evaluation index value, in each of the plurality of conditions, and the recommended value calculation unit is configured to calculate the recommended value for the first parameter and the recommended value for the second parameter on the basis of the first evaluation index value and the second evaluation index value in each condition calculated by the index value calculation unit, wherein the recommended value calculation unit is configured to calculate, as the second evaluation index value in each condition, a value with a positive or negative correlation with each of the values of the first parameter and the second parameter in each condition. an index value calculation unit which is configured to calculate a first evaluation index value which indicates control performance or stability of motor control performed by the motor control device in each of a plurality of conditions in which a combination of values of a first parameter and a second parameter that are set in the motor control device is different; a recommended value calculation unit which is configured to calculate, on the basis of the first evaluation index value in each condition calculated by the index value calculation unit, a recommended value for the first parameter and a recommended value for the second parameter; and a recommended value display unit (14, 16) which is configured to display, on a display, the recommended value for the first parameter and the recommended value for the second parameter together with information indicating a relationship between the combination of the values of the first parameter and the second parameter and the first evaluation index value, the setting assistance device being characterized in that two of a velocity proportional gain, an integral gain and a position proportional gain are used as the first parameter and the second parameter; the index value calculation unit is configured to calculate the first evaluation index value and a second evaluation index value of the motor control performed by the motor control device in a trade-off relationship with the first evaluation index value, in each of the plurality of conditions, and the recommended value calculation unit is configured to calculate the recommended value for the first parameter and the recommended value for the second parameter on the basis of the first evaluation index value and the second evaluation index value in each condition calculated by the index value calculation unit, wherein the recommended value calculation unit is configured to calculate, as the second evaluation index value in each condition, a value with a positive or negative correlation with each of the values of the first parameter and the second parameter in each condition.