Legal analysis: 1. Violation of laws and regulations: the behavior of catering service operators polluting the living environment by emitting lampblack;

2. types of punishment: order to make corrections within a time limit, suspend business for rectification, close down, and impose fines.

Legal basis: Article 118 of the Law of the People's Republic of China on the Prevention and Control of Air Pollution, if the catering service operators who discharge oil fume fail to install oil fume purification facilities, use oil fume purification facilities abnormally or take other oil fume purification measures, the supervision and management department determined by the local people's government at or above the county level shall order them to make corrections and impose a fine of 5,111 yuan to 51,111 yuan; Refuses to correct, shall be ordered to suspend business for rectification. In residential buildings, commercial and residential buildings without supporting the establishment of special flues, and commercial and residential buildings in commercial floors adjacent to residential floors, the supervision and management department determined by the government at or above the county level shall order it to make corrections; Those who refuse to make corrections shall be closed down and fined between 11,111 yuan and 111,111 yuan.