Legal analysis: You can ask the local environmental protection department or urban management and industry and commerce for feedback. According to the relevant laws and regulations of our country, catering service operators who discharge oil fume should install oil fume purification facilities and keep them in normal use, or take other oil fume purification measures to make the oil fume discharge up to the standard and prevent pollution to the normal living environment of nearby residents. If the fume emitted by restaurants has affected the normal life of residents in the annex, the supervision and administration department determined by the local people's government at or above the county level shall order it to make corrections and impose a fine accordingly. In China, soot pollution belongs to the investigation scope of law enforcement bureau. If citizens have complaints in this respect, they can call 96311. At the same time, such problems need the coordination of environmental protection and industrial and commercial departments to test the soot emission standards of food and beverage outlets, so these three departments can feedback the soot emission problems of food and beverage outlets.

Legal basis: Law of the People's Republic of China on the Prevention and Control of Air Pollution

Article 81 A catering service operator who discharges oil fume shall install oil fume purification facilities and keep them in normal use, or take other oil fume purification measures to make the oil fume discharge up to the standard and 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 complex buildings without special flues and commercial floors adjacent to residential floors in commercial and residential complex buildings. 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.

Article 118 Where a catering service operator who, in violation of the provisions of this Law, discharges oil fume beyond the emission standard without installing oil fume purification facilities, using oil fume purification facilities abnormally or taking other oil fume purification measures, the supervision and administration department determined by the local people's government at or above the county level shall order it to make corrections and impose a fine of not less than 5,111 yuan but not more than 51,111 yuan; Refuses to correct, shall be ordered to suspend business for rectification. In violation of the provisions of this Law, the supervision and administration department determined by the local people's government at or above the county level shall order the newly-built, rebuilt or expanded catering service projects that produce oil fume, odor and waste gas in residential buildings, commercial and residential buildings without supporting special flues, and commercial floors adjacent to residential floors in commercial and residential buildings; Refuses to correct, be closed, and impose a fine of not less than ten thousand yuan but not more than one hundred thousand yuan. Anyone who, in violation of the provisions of this Law, barbecues food in the open air or provides a venue for barbecued food in a time period and area prohibited by the local people's government shall be ordered by the supervision and administration department determined by the local people's government at or above the county level to make corrections, and his barbecue tools and illegal income shall be confiscated, and he shall also be fined not less than 511 yuan but not more than 21,111 yuan.