1. As long as there is no secondary infection and the hole area is not too large, the perforation of eardrum caused by trauma will usually heal itself in about one month without additional treatment.

It is suggested that you take some anti-inflammatory drugs after local disinfection with ammonia water or 75% alcohol cotton ball.

3. If it's within 48 hours, you can apply cold compress, dip a wet towel in cold water, or maybe wrap an ice pack with a towel, and then apply hot compress after the swelling is reduced for 48 hours. Promote the absorption of congestion.

4. Some non-steroidal drugs can be considered to relieve pain. If there is obvious trauma, see if it is sutured to prevent auricle infection and avoid cartilage atrophy.