The invention provides a supermarket shopping anti-theft system and a realization method thereof. The system comprises a shopping cart with self-lockable wheels, a wheel controller, an entrance-exit manager, a casher manager and an alarm, the wheel controller is mounted at the self-lockable wheels, controlled and connected with a wheel locking device, the wheel controller is provided with an entrance-exit signal receiving unit, a pushing-out permission signal receiving unit and an alarm signal transmitting unit; the entrance-exit managers are mounted at the position of the entrances and exitsof a supermarket and provided with an entrance-exit signal transmitting unit matched with the entrance-exit signal receiving unit; the casher manager is mounted at the cashier and provided with a pushing-out permission signal transmitting unit matched with the pushing-out permission signal receiving unit; the alarm is provided with an alarm signal receiving unit matched with the alarm signal transmitting unit. The supermarket shopping anti-theft system and the realization method thereof has a good anti-theft effect, can save labor cost and can not influence the shopping process and mood of theordinary consumers.