It should be caused by otitis media, so it must be adjusted in time to prevent it from becoming chronic.
Guiding opinions:
You must pay attention to the hygiene in your ears at ordinary times, and don't get into the water or dig your ears with some unclean things. The treatment can be combined with aqueous solution of antibiotics or mixed solution of antibiotics and steroid hormones. Specific drugs must be selected under the guidance of the actual diagnosis doctor. In addition, we should pay attention to eating less spicy food and fried food.