The invention relates to a multifunctional 
service robot. The 
service robot comprises an outer shell, a bottom-layer 
master controller, a motor and walking wheels, wherein the motor drives the walking wheels to rotate to enable the 
robot to move; the bottom-layer 
master controller comprises a controller, a motor driving unit and a 
power supply unit, a Linux 
system is arranged inside the controller, the controller is connected with a communication port, the motor driving unit controls rotating of the motor, and the 
power supply unit can provide working 
voltage for the controller and the motor driving unit; the 
robot is provided with a 
tablet computer, and various function operations allowing a user to choose are displayed on the front end interface of the 
tablet computer. The user can control the 
robot by choosing the function operations displayed on a touch screen of the 
tablet computer, the function operations displayed on the front end interface comprise a 
control function operation for controlling the robot, a music function operation, a teaching function operation, a product introduction and a 
service system monitoring function operation capable of providing information related to the robot, and the function operations are very easy and convenient to achieve and more humanized in design.