2. The plastic smell of inferior health pot after boiling water is very heavy, because the apron used to seal the heating plate is made of non-food grade ordinary silica gel. When the upper part of apron meets water, it will be decomposed by heating plate, which will continuously release odor and harmful substances, which is harmful to human health; Regular health pots are non-toxic and tasteless, and most of them use imported food-grade silicone rings.