The invention provides an intelligent business hall robot and an indoor walking deviation automatic correction method. The robot is provided with a speaker, a microphone, a pick-up head, a touch panel, a switch, a TFT screen, driving wheels, an angle sensor, ultrasonic sensors, driven wheels, a battery, motors, a single-chip microcomputer control module, a barrier-avoiding cruise module, a human induction module, a processor module, a constant-current plate and a display screen. Further provided is a method for adjusting deviations in a walking process by use of the intelligent business hall robot through continuous adjustment of the ultrasonic sensors and the angle sensor. The robot provided by the invention can continuously correct the deviations of the robot in a waling line, can also realize such functions as man-machine interaction, face identification work attendance check, buffer storage and the like, corrects the line while walking in the walking process and realizes linear walking.