Yellow discharge from baby’s ears is commonly caused by diseases such as eczema of the external auditory canal and otitis media, which require causative treatments, such as local and systemic treatments. 1. Eczema of the external auditory canal: common cause, clean the external auditory canal with sodium bicarbonate solution or hydrogen peroxide, and then locally apply eczema creams for children, such as pimecrolimus cream and hydrocortisone butyrate ointment. It is necessary to keep the ear dry and clean, and avoid the child scratching. 2. Otitis media: yellow secretion in the ear, need to use hydrogen peroxide to clean up, if repeated can be cleaned several times, while oral antibiotic treatment, such as cefixime, amoxicillin and so on. To summarize, there is a flow of yellow discharge in the ear is recommended to consult a doctor in a timely manner, in accordance with the doctor’s instructions for targeted treatment, not blindly diagnosis and treatment, so as not to delay the condition.