The use of metal utensils is prohibited in the microwave state. Metal utensils are only used in the barbecue state, and ceramic or glass utensils can be used in the microwave, grill, and combined state. It is forbidden to heat liquid or food in airtight containers, which may cause explosion. If heated, the package must be torn open. Regarding canned beverages and sealed milk, shell eggs can be heated by microwave cooker products.

Foods that have been defrosted in the microwave should be cooked or eaten as soon as possible. When defrosting thick food, pay attention to turning it over halfway through the time, which is conducive to better defrosting. Frozen raw meat and fish should be removed from the packaging before they can be thawed in a container. It is better to cut them into several portions and arrange them neatly. Thaw the chicken thighs in the microwave, wrap the thin front part of the chicken thighs with tin foil. For fragile items like frozen pies, cream, cookies, etc., just thaw slightly in the microwave and place in the greenhouse for automatic thawing.