The ingredients in the heating pack are mostly chemicals that generate heat when they meet water, and after they are heated, there is not much harm. It is recommended to throw them into the garbage.

1, most of the self-heating food heating package, water will produce flammable and explosive hydrogen gas. So read the instructions on the self-heating products before consumption, pay attention to the use of heating packages.

2, self-heating hot pot lid has a ventilation holes, if the ventilation holes are blocked, it is easy to cause small explosions, and even scalding people, we must open the ventilation holes, must let it have a pressure relief place.

3, the use of, after the use of special attention away from open flames and dust.

4, after the use of the heating package to be discarded before it reacts fully with water, if you are not sure you can consider using a plastic bag tied and then thrown, otherwise there is water or rain into the narrow garbage cans to react to hydrogen, and then there are cigarettes and other sources of ignition in contact with it, there will be a risk of explosion or combustion.

5, in the car and other narrow space to use self-heating products, pay attention to the risk of scalding or combustion; flight, do not carry self-heating food.

Expanded:

Winter hot pot taboo:

1, spicy hot pot:

Too spicy hot pot will make the spleen and stomach digestive dysfunction, the birth of dry heat and humidity, which induced hemorrhoids or hemorrhoids patients aggravation, constipation, blood, pain, hemorrhoidal core prolapse and so on.

In addition, spicy stimulation will cause acute inflammation of the gastrointestinal tract as well as erythema, itching, dryness, flaking contact dermatitis symptoms, induced by swollen and painful gums, corners of the mouth vesicles, lips cracked and swollen pain and other discomforts. Suffering from chronic pharyngitis, stomatitis, gastric disease, ulcer disease, skin diseases, hemorrhoids, anal fissure and frequent nosebleeds, bleeding gums and belong to the "hot body", pregnant women, etc. Avoid eating.

2, seafood hot pot:

Diabetes, hypertension, hyperlipidemia, gout patients, seafood allergy avoid eating.

Baidu Encyclopedia - Hot Pot (Chinese cuisine)