Legal analysis: 1, you can reflect to the relevant departments, ask them to negotiate, because dancing square dance if the noise is too high is a violation of the law, you can ask the relevant departments to govern, in fact, the city is responsible for the management of this thing.
2, you can also report to the neighborhood committee, so that the neighborhood committee and square dancing people to negotiate, reduce the decibel, try not to dance in the people rest time,
3, you can also negotiate with the square dancing people, some of them are still good to talk, you can talk to them in the sound is too loud, please ask them to reduce the noise.
Legal basis: "The Chinese People's **** and the State Environmental Noise Pollution Prevention and Control Law" Article 63 The meaning of the following terms in this law: (a) "noise emissions" refers to the noise source to the surrounding living environment radiation noise. (b) "Noise-sensitive buildings" means hospitals, schools, organizations, scientific research units, residences and other buildings that need to be kept quiet. (c) "Noise-sensitive building concentration area" refers to medical areas, cultural, educational and scientific research areas, and areas dominated by institutions or residential buildings. (d) "Night time" means the period between 22:00 pm and 6:00 am. (e) "Motor vehicles" means automobiles and motorcycles.