1. Food and beverage outlets are not allowed to be located within 31 meters of residential areas, and it is not allowed to apply for business licenses near 31 meters of residential buildings.

2. 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 complex buildings without special flue and commercial floors adjacent to residential floors in commercial and residential complex buildings.

3. Catering service operators should install fume purification facilities and keep them in normal use, or take other fume purification measures to make the fume discharge reach the standard.