1. Store security measures: Barbecue shops usually have complete security measures, including surveillance cameras and alarm systems. These devices can effectively monitor the cashier area, and find and deal with potential security threats in time.

2. Staff training: Barbecue shops will provide cashiers with relevant safety training, including how to identify and deal with potential fraud and how to deal with emergencies. These trainings help to enhance the cashier's safety awareness and coping ability.

3. Management supervision: The management of the barbecue shop will regularly check the cashier's work to ensure that they abide by the safety regulations and promptly correct any behavior that may cause potential safety hazards.