In the daily life of residents, "double substitution" refers to replacing traditional coal, charcoal and firewood with electric energy and natural gas for cooking and heating, and subsidizing the users of "double substitution" heating transformation once a year according to relevant policies during the substitution process.

Incentive funds refer to financial incentive funds arranged by national and local governments at all levels and earmarked for the construction of village-level public welfare undertakings. The main purpose is to help farmers solve the outdoor public welfare undertakings that are difficult for one family in the village through rewards and subsidies.