Legal analysis: You can go directly to the local police station to find the relevant personnel for mediation and warning. Square dancing itself is not illegal, but if the noise created by the people around the normal life of the rest of the infringement, then it constitutes a violation of the law.
Legal basis: "Chinese people's *** and the State Environmental Noise Pollution Prevention and Control Law," Article 36, Item 2, "noise-sensitive buildings" refers to hospitals, schools, institutions, research units, residential and other buildings need to keep quiet. This shows that the behavior of square dancing and making noise in residential areas is illegal.
"Chinese people's *** and the State Security Administration Punishment Law" Article 28 violation of the law on the prevention and control of noise pollution in social life, making noise to interfere with the normal life of other people, a warning; warning is not corrected, a fine of more than two hundred yuan five hundred yuan.