The pickle jar is a kind of oval pottery products, some areas called it towards the sky jar. This altar design is very scientific is the center of the large, two small, easy to store Lei. Above the lid, easy to open. Altar around the mouth of the altar along the edge, plus the cover mixed with the altar along the water, can be closed, so that it is isolated from the outside air, to avoid contamination, to facilitate the brine and a variety of condiments, spices in the altar of fermentation, decomposition and infiltration, which led to the vegetables taste, to cook and produce the desired flavor.

Kimchi altar to clay as raw materials, kimchi altar texture is good or bad, directly affect the quality of kimchi. According to the difference in firing temperature is divided into low-temperature altar, medium-temperature altar, high-temperature altar, old-fire altar, fired hardness increases with the increase in temperature, the price also increases in turn.