The invention discloses an intelligent monitoring robot based on Raspberry Pi. The intelligent monitoring robot comprises a motor driving module, a power source voltage-stabilizing module, an electronic gyroscope for assisting the robot in making a turn and detecting the direction, an ultrasonic sensor for avoiding collision of the robot, a voice module used for recognizing a voice instruction, aRaspberry Pi development board used for processing data, a camera used for collecting video information and a carbon fiber vertical column used for fixing the camera, wherein the motor driving module,the power source voltage-stabilizing module, the electronic gyroscope, the ultrasonic sensor, the voice module, the Raspberry Pi development board, the camera and the carbon fiber vertical column arearranged on a movable base. A control part of the intelligent monitoring robot comprises the Raspberry Pi development board, a driving unit, a sensor detection unit, a monitoring unit and a voice recognition unit. The size of a whole security and protection monitoring system is smaller, the structure is simple, the intelligent monitoring robot is suitable for development and utilization of smarthome, the effect of real-time monitoring of unmanned home is achieved, and the home safety of a user is ensured.