Tool: self-heating rice.

1, open the package.

2. Open the self-heating bag and put it at the bottom of the lunch box.

3. Open the rice.

4. Pour your own water into the outer box with a heating bag and put the rice on the heating bag.

5. Cover the lid and tear off the wrapping paper on it, which has an air vent.

6. Put the vegetable bag directly under the box, and when the steam gradually decreases, the heating is finished.

7. Open the vegetable bag and eat it on the rice.