Put in the heating bag, open the box, take out everything inside, and put the heating bag at the bottom.
Add rice and side dishes, then put the eating box on it, add the rice in the box, and then add the side dishes in the bowl.
Add water and sauce, and then take out the lunch box. After taking it out, add a proper amount of water to the pot and add the water in the heating bag to the bottom of the bowl.
Stew 10~ 15 minutes. Put the lunch box on the heating bag, cover it and stew for 10~ 15 minutes. Finally, put in the seasoning bag inside.