Prevent noise hazards should be taken from the following aspects: pay attention not to stay too long in front of a loud stereo or KTV, do not wear headphones for a long time to listen to music, the volume is adjusted a little less. Fireworks, firecrackers a little farther away from the ignition point, to avoid the huge explosion of sound shocked ears, affecting hearing. Long-term exposure to noise occupations, such as stone, metal cutting and processing, machine room operating machines for a long time, mechanical forging workers, carpenters, artillery, etc., must pay attention to protection at work and strengthen the application of earplugs. Once tinnitus or hearing loss occurs, you should immediately go to the hospital for consultation and treatment. Early treatment may restore hearing, but over time it will become permanent hearing loss and have a greater impact.