"The Chinese People's **** and State Environmental Noise Pollution Prevention and Control Law" Article 45: Prohibit the use of high-pitched broadcasting loudspeakers by any unit or individual in the urban areas of the city within the concentration of noise-sensitive buildings. In urban urban streets, squares, parks and other public **** place to organize entertainment, assembly and other activities, the use of audio equipment may produce interference with the surrounding living environment of excessive volume, must comply with the provisions of the local public security organs.