Water in the ear while swimming should be treated according to the presence or absence of ear disease. The tympanic membrane is intact, no ear diseases can be treated in general, cerumen can be cleaned out of the ear canal, there is a history of previous ear diseases need to actively seek medical treatment to avoid the recurrence of ear diseases. 1. No ear lesions: the patient does not have any ear disease, the tympanic membrane is intact without any discomfort in the ear canal, there is no cerumen in the ear canal, after the ear canal is filled with water, the patient can keep the head of the affected ear in a low position and jump on one foot to discharge the water. The water in the mouth of the ear canal can be wiped with a dry cotton swab, which will not lead to obvious discomfort. 2. Excessive cerumen: the patient’s ear canal is clogged with a large amount of cerumen, and after water ingress, the cerumen will swell in contact with water, leading to ear distension and pain, and even painful infections, the patient should go to the hospital in time to clean the ear canal, to avoid further triggering the inflammation of the ear canal and the tympanic membrane. 3. Previous ear diseases: patients with otitis, otitis media history, water in the ear canal, because the water contains bacteria, easy to induce otitis media, otitis aggravation, pus in the ear canal, hearing loss, ear pain and other infections, should be actively seeking medical attention to clean up the fluid, to alleviate the discomfort. If you feel uncomfortable when swimming with water in your ears, it is recommended that you actively seek medical attention and standardized treatment under the guidance of a professional doctor.