Baby’s ear is bitten by bugs, can appear auricle local redness, swelling, itching, fever, etc., usually no pain and discomfort. Treatment measures are as follows: be careful not to scratch the ear, scratching the skin can lead to infection. Local anti-allergy ointment can be applied, or oral anti-allergy medication can be taken. If symptoms of localized bacterial infection are found, antibiotics can be given to control the infection. Initially, all aspects of the baby’s condition should be closely observed. For those with allergies or conditions such as generalized itching, hives, or rashes, high attention should be paid, and they should be treated promptly in the hospital nearest to their home, as severe allergic reactions may occur in a small number of patients, resulting in extremely serious consequences.