exemplary embodiments on the contrary the invention s is are intended to cover not only the exemplary embodiments but also various alternatives modifications equivalents and other embodiments which may be included within the spirit and scope of the invention as defined by the appended claims referring to fig1 and 2 a motor control method for an mdps system according to various embodiments of the present invention includes a step of ohp that decreases electric current supplied to a motor to a second electric current reduction coefficient to prevent the motor from overheating and or a step of pre ohp that gradually decreases the electric current supplied to the motor to a first electric current reduction coefficient smaller than the second electric current reduction coefficient before the step of ohp it is preferable to set the second electric current reduction coefficient five times or more larger than the first electric current reduction coefficient that is fig1 compares a motor control method for an mdps system according to various embodiments with the related art by way of a specific example in the related art the maximum electric current of 65 a is continuously supplied to a motor until the maximum electric current time of 65 seconds and then the electric current supplied to the motor is decreased to a predetermined electric reduction coefficient by the operation of the ohp on the other hands assuming that the present invention uses the same motor the maximum electric current time is set longer than the related art to 85 seconds and the maximum electric current is not maintained at 65 a but the electric current supplied to the motor is gradually decreased to the first electric current reduction.