1, see. Enamel is an inorganic substance with a glassy cold light on the surface, which looks hard, while fake enamel is an organic substance with a soft texture and a greasy and plastic surface, which is easy to scratch. 2, knife scraping. Cold enamel pots are not easy to scratch, and fake ones are easy to scratch. 3. Hot acupuncture. Burning the needle tip red and stabbing it into the surface of a cold enamel pot really won't leave any traces, but it is fake. 4, very hot. You can burn the surface with a lit cigarette butt, and the effect is the same as that of hot acupuncture.