In clinical situations, parents can take the following measures: first, they can gently shake the head with the water in the ear facing downward, so that the water inside the ear can slowly flow out; second, parents can also use a small cotton swab placed at the mouth of the ear canal to slowly suck out the water inside the ear canal; third, parents can take the child to the hospital, and the doctor can suck out the water under the guidance of a suction Thirdly, parents can take their child to the hospital where the doctor can suck out the water under the guidance of a suction device. The temperature in the ear canal is higher than the outside temperature, so the water in the ear can evaporate within a day and will not lead to serious consequences, but individual patients with previous otitis media or a large amount of cerumen in the ear canal may cause discomfort and should go to the hospital immediately to see a doctor for treatment.