According to article 8 1 of the air pollution prevention law

The catering service operators who discharge lampblack shall install lampblack purification facilities and keep them in normal use, or take other lampblack purification measures to discharge lampblack up to the standard to prevent pollution to the normal living environment of nearby residents.

It is forbidden to build, rebuild or expand catering service projects that produce oil smoke, odor and waste gas in residential buildings, commercial and residential buildings and commercial floors adjacent to residential floors in commercial and residential buildings without special flues.

No unit or individual may barbecue food in the open air or provide a venue for barbecue food in the area prohibited by the local people's government.

In addition, there are specific emission standards in the Emission Standard of Cooking Fume in Catering Industry.