Children who always crack at the root of one ear may be related to inflammatory infections, dry skin and other reasons. It can be treated by applying and taking medication. 1. Apply medication: Cracking may occur at the root of the ear if it is infected with bacteria, or due to dry skin. Inflammation can be treated by applying povidone-iodine and saline to the cracked area. Also use anti-inflammatory drugs, such as erythromycin ointment. Daily attention to children’s ear care, you can apply petroleum jelly and other creams to ensure that the skin is moist. 2. Take medication: If the cracked ear is accompanied by pain, you can use analgesic drugs such as ibuprofen. At the same time, you can take vitamins C and B to ensure that the skin is full of elasticity. If your child has a cracked ear, you need to seek medical attention as soon as possible. It is not recommended to use medication on your own to avoid serious complications.