Pediatric external ear canal eczema should pay attention to the following points: 1. pay attention to the protection of the ear ear, ear care, keep the ear clean, dry, avoid water in the ear, do not be too stuffy indoors, avoid sweating; 2. avoid contact with possible allergens, older infants and children can be given oral antihistamine medication as appropriate; 3. conduct ear ionization therapy, which is a kind of physical therapy, painless, the child acceptance This ionization therapy requires 15 minutes for 1 ear at a time, half an hour for both ears, half an hour of treatment every day, 2 times a day, 1 time in the morning and 1 time in the afternoon, with the interval between the 2 times trying to be more than 4 hours. This generally results in significant improvement in 3-5 days of treatment.