A motor torque control device of an electrically-driven vehicle equipped with a motor serving as a driving source, an accelerator position sensor detects a stepping amount of an accelerator pedal of an accelerator apparatus, a vehicle velocity sensor detects the vehicle velocity (v), a brake switch detects whether or not a brake pedal of a hydraulic brake stepped, an inverter controls power supplied to the motor so that an output torque of the motor serving as a driving source of the electrically driven vehicle, the motor torque control device characterized in that: a brake oil pressure sensor detects a brake oil pressure of the hydraulic brake apparatus and serves as a brake pedal stepping amount detecting unit, wherein the stepping amount of the brake pedal includes a value corresponding to the stepping amount, such as the brake oil pressure and the stepping force of the brake pedal, in addition to the stepping amount itself such as the stroke of the brake pedal, wherein the motor torque control device is implemented by software executed by an electronic control unit of the electrically driven vehicle, wherein the motor torque control device is configured to limit an output of the motor when both the brake pedal and the accelerator pedal of the electrically-driven vehicle are stepped, and to change an upper motor limit torque (mtr1,mtr2), which is an upper limit value of a command torque for the motor, depending on the vehicle velocity (v) of the electrically-driven vehicle detected by the vehicle velocity detecting unit and the stepping amount of the brake pedal detected by a brake pedal stepping amount detecting unit, the motor torque control device is configured to receive a command torque input, which is calculated based on a stepping amount of the accelerator pedal, and to output a motor command torque (mtr) to the inverter, wherein when the motor command torque (mtr) exceeds the upper motor limit torque (mtr1,mtr2), the upper motor limit toque (mtr1,mtr2) is output to the inverter as the motor command torque (mtr), when the motor command torque (mtr) falls below a lower motor limit torque the lower motor limit torque is output to the inverter as the motor command torque (mtr), when the motor command torque (mtr) is between the upper motor limit torque (mtr1,mtr2) and the lower motor limit torque the motor command torque (mtr) is output to the inverter as the motor command torque, and the motor torque control device is configured to change a value of the upper motor limit torque (mtr1,mtr2) between a positive value and a negative value depending on the vehicle velocity (v) and the stepping amount of the brake pedal. a brake oil pressure sensor detects a brake oil pressure of the hydraulic brake apparatus and serves as a brake pedal stepping amount detecting unit, wherein the stepping amount of the brake pedal includes a value corresponding to the stepping amount, such as the brake oil pressure and the stepping force of the brake pedal, in addition to the stepping amount itself such as the stroke of the brake pedal, wherein the motor torque control device is implemented by software executed by an electronic control unit of the electrically driven vehicle, wherein the motor torque control device is configured to limit an output of the motor when both the brake pedal and the accelerator pedal of the electrically-driven vehicle are stepped, and to change an upper motor limit torque (mtr1,mtr2), which is an upper limit value of a command torque for the motor, depending on the vehicle velocity (v) of the electrically-driven vehicle detected by the vehicle velocity detecting unit and the stepping amount of the brake pedal detected by a brake pedal stepping amount detecting unit, the motor torque control device is configured to receive a command torque input, which is calculated based on a stepping amount of the accelerator pedal, and to output a motor command torque (mtr) to the inverter, wherein when the motor command torque (mtr) exceeds the upper motor limit torque (mtr1,mtr2), the upper motor limit toque (mtr1,mtr2) is output to the inverter as the motor command torque (mtr), when the motor command torque (mtr) falls below a lower motor limit torque the lower motor limit torque is output to the inverter as the motor command torque (mtr), when the motor command torque (mtr) is between the upper motor limit torque (mtr1,mtr2) and the lower motor limit torque the motor command torque (mtr) is output to the inverter as the motor command torque, and the motor torque control device is configured to change a value of the upper motor limit torque (mtr1,mtr2) between a positive value and a negative value depending on the vehicle velocity (v) and the stepping amount of the brake pedal.