The music in the hair salon downstairs is too loud. The management tried to persuade me but refused to change. Can I take legal action?

Article 61 of the Law of the People's Republic of China on the Prevention and Control of Environmental Noise Pollution loss.

Disputes over liability for compensation and the amount of compensation may, at the request of the parties, be mediated by the environmental protection administrative department or other supervisory and administrative departments or institutions responsible for the prevention and control of environmental noise pollution; if mediation fails, the parties may submit Prosecution in the People's Court. The parties may also file a lawsuit directly with the People's Court.

According to the above legal provisions, the landlord can complain to the environmental protection department or directly file a lawsuit in court.

You can also check the relevant laws yourself or ask someone with professional knowledge...