1. Keep your ears clean. The outer ear area can be washed more often in the usual bath, and the ear canal part can be cleaned occasionally with a cotton swab, and the cleaning should not be too frequent. Your ears are very important, please take care of our ears! 2. The small spoons used to dig your ears can easily hurt your ear canal. You can use a cotton swab with some water to gently wipe the inside of your ear, but remember not to rinse your ears directly with water to avoid causing otitis externa. Your ears are very important, please take care of our ears! 3. Listen to music with headphones less often every day, especially in noisy environments, such as on public transportation and highways, where listening to music with headphones is more harmful to your ears! Ears are very important, please love our ears! 4.Please don’t use headphones to listen often, if conditions allow, please use public amplification equipment, and share the joy with everyone! 5, the health of the home warmly remind you, work environment as far as possible to choose a relatively quiet, decibel in the human body to adapt to the environment.