Epidemic parotitis (mumps), also known as mumps or mumps, is commonly known as "pig head madness", "toad plague", "ear wind", etc. It is common in spring and is a common respiratory infectious disease among children and adolescents. It also occurs in adults and is caused by the mumps virus. The patient is the source of infection, and the inhalation of droplets is the main route of transmission. The disease occurs 2-3 weeks after contact with the patient. Non-suppurative swelling and pain of the parotid gland are prominent symptoms. The virus can invade various glandular tissues or the nervous system and almost all organs such as the liver, kidneys, heart, and joints. It can often cause symptoms such as meningoencephalitis, orchitis, pancreatitis, mastitis, and oophoritis.