Pingding black casserole is healthy because it has the characteristics of no discoloration in cooking, no change in soup, no change in stew and no root rot, and it has the characteristics of smooth inside and outside, uniform skin, acid and alkali resistance, lightness and durability, low price, and also has the practical effect of health care and environmental protection that people emphasize in modern life.

Casserole is a kind of cooker. Traditional casserole is a ceramic product made of raw materials that are not easy to transfer heat, such as seasonable, feldspar and clay. Fired at high temperature, it has the characteristics of air permeability, adsorption, uniform heat transfer and slow heat dissipation.