1. First clean the lunch boxes and food boxes with food detergent, and then dry them with clean water.

2. Put the cooked rice, vegetables or soup into the lunch box and vegetable box respectively.

3. Cover the lunch box with the lid.

4. Put the lunch box with vegetables in the lunch box.

5. Heat 30 minutes in advance.

6. Unplug the power cord when you are ready to eat.

7. Hot rice: Open the rubber plug of the socket. The power indicator is on.

8. Connect the power supply. Start heating the food.