Catering is not allowed in commercial and residential buildings.

According to the People's Republic of China *** and the State Law on Prevention and Control of Air Pollution, which came into force on January 1, 2016, Article 81 stipulates that operators of food and beverage services that emit fumes should install fume purification facilities and keep them in normal use, or take other fume purification measures, so as to make fumes meet the standards for emissions and prevent pollution of the normal living environment of nearby residents.

It is prohibited to construct new, altered or expanded food and beverage service projects that produce oily smoke, odor and exhaust gas in residential buildings, commercial and residential complexes that have not been equipped with a dedicated flue, and in commercial and residential complexes that have commercial floors adjacent to residential floors. No unit or individual shall barbecue food in the open air or provide a site for barbecuing food in the area prohibited by the local people's government.

Expanded Information:

"The Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution"

Article 86 The state establishes a joint prevention and control mechanism for air pollution in key regions. The State establishes a mechanism for the joint prevention and control of air pollution in key regions and coordinates the prevention and control of air pollution in key regions. The competent ecological and environmental department of the State Council shall, in accordance with the main functional zoning, regional atmospheric environmental quality conditions and the law of transmission and diffusion of atmospheric pollution, delineate the national key areas for the prevention and control of atmospheric pollution and report them to the State Council for approval.

The people's governments of the relevant provinces, autonomous regions and municipalities directly under the Central Government in the key areas shall determine the lead local people's government, hold joint meetings regularly, and carry out joint prevention and control of air pollution in accordance with the requirements of unified planning, unified standards, unified monitoring and unified prevention and control measures, and implement the target responsibility for the prevention and control of air pollution. The ecological environment department of the State Council shall strengthen guidance and supervision.

Provinces, autonomous regions and municipalities directly under the Central Government may refer to the provisions of the first paragraph to delineate the key areas for the prevention and control of air pollution in their administrative regions.

Article 87 The competent ecological and environmental department of the State Council, in conjunction with the relevant departments of the State Council, and the people's governments of the relevant provinces, autonomous regions and municipalities directly under the Central Government within the national key areas for the prevention and control of air pollution, shall, in accordance with the economic and social development of the key areas and the carrying capacity of the atmospheric environment.

Development of key regional air pollution joint prevention and control action plan, clear control objectives, optimize the regional economic layout, coordinated traffic management, the development of clean energy, put forward key prevention and control tasks and measures to promote the improvement of the quality of the atmospheric environment in key regions.

Baidu Encyclopedia - Chinese People's **** and State Law on Prevention and Control of Air Pollution