Mumps is a common respiratory infection among children and adolescents, mostly between the ages of 3 and 10. The virus mainly invades the parotid tissue, but also invades various glandular tissues, the nervous system, liver, kidneys, heart, joints and almost all other organs, so in addition to “parotid swelling and pain” it can often cause symptoms such as submandibular adenitis, meningoencephalitis, myocarditis, pancreatitis, orchitis, ovarianitis, etc. It may also involve the central nervous system or other glands and organs and produce corresponding symptoms. symptoms. The mumps virus can invade the inner ear and cause sensorineural deafness, which is usually unilateral, sudden, severe, and persistent, and according to epidemiological studies, “mumps” is the most common cause of unilateral sensorineural deafness in childhood. The first thing you need to do is to make sure that you have a good idea of what you are doing. In the case of hearing loss, hearing therapy and speech rehabilitation can be carried out according to the principle of “sudden deafness” to save the child’s hearing as much as possible.