Household god of the stove whose paper picture hangs in the kitchen. On 小年 he goes up to heaven to report on the family, so people offer him sticky malt candy, 糖瓜, to sweeten his words.
On Minor New Year, you make offerings to the Kitchen God.
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culture
His paper picture is burned to send him up to heaven, and the couplet pasted beside it spells out the family's request: 上天言好事,下界保平安, 'speak of good deeds up in heaven, keep us safe down here'. Folk tradition even gives him a surname, 张.