The invention discloses a navigable tracking intelligent supermarket shopping trolley based on a local positioning system and a method thereof. The navigable tracking intelligent supermarket shopping trolley based on the local positioning system comprises a shopping trolley body and a mobile terminal; and the shopping trolley body is provided with a power source module, ultrasonic emission and receiving devices, a gear motor, a steering engine, a control circuit, a Bluetooth module and a touch type display screen. A user selects a destination through the touch type display screen, then the shopping trolley can automatically run to the destination and can sense other people and obstacles through an ultrasonic sensor in the running process, and automatic obstacle avoidance is achieved. At the same time, the user can be in communication with the shopping trolley through the mobile terminal, and the effect that the shopping trolley is within the certain range of the user is ensured. If the shopping trolley is without the certain range, a navigation function is interrupted, and the shopping trolley returns to the user rapidly. If it is sensed that the user stays on site, the shopping trolley automatically returns to the user, and the user can put fetched objects into the shopping trolley conveniently.