Headphones ear water can be caused by the external ear eczema, contact dermatitis, acute diffuse otitis externa and other diseases. 1. Eczema of the external auditory canal: Eczema of the external auditory canal is caused by perverse reactions, neuropsychiatric factors, infectious factors, etc., mainly with the itching of the external auditory canal, flaking and other symptoms, localization can be accompanied by scabs and oozing manifestations, wearing headphones can aggravate the local stimulation, or so that the scabs broke, resulting in the emergence of the ear running water situation. 2. Contact dermatitis: ear skin contact with headphones and other exogenous substances, can lead to local skin irritation and trigger allergic reactions, local skin changes such as erythema or pimples, blisters can also occur, rupture can appear vesicles, oozing or scabs, which can be manifested as ear water. 3. Acute diffuse otitis externa: can be triggered by trauma to the skin of the external auditory canal or when the local resistance is lowered, due to infection with Staphylococcus aureus, Streptococcus aureus, Pseudomonas aeruginosa, and other pathogens, ear pain, tinnitus, hearing loss, and secretion exudate performance, can be wearing headphones on local stimulation to the ear after the situation of running water. When you wear headphones, you should consult a doctor in a timely manner, under the guidance of a specialist to actively carry out appropriate treatment, which will help to alleviate the discomfort symptoms as soon as possible.