Add appropriate clean water (based on the water mark). After the water and electricity are connected, it must be boiled for 30 minutes for the first time.
Disinfect cabinets and trays.
Prepare the food to be steamed, put it in a sterilized tray, and then put it in a steamer. Adjust the water level in the water tank.
When heating with steam, put the food to be cooked into the tray, close the door, slowly open the steam valve, and steam pressure.