Different types of mumps have different symptoms. The common ones are mumps, acute suppurative mumps, autoimmune mumps, etc., which can be characterized by fever, swelling, pain, and other symptoms. 1. Mumps: It is caused by parotid virus infection, resulting in parotid gland enlargement, characterized by non-purulent parotid swelling and visible exudate. It can invade almost all kinds of tissues and organs in the whole body, especially involving testicles and pancreas, etc., and symptoms such as orchitis and pancreatitis appear. 2. Acute suppurative parotid gland: mainly caused by Staphylococcus aureus, most cases are unilateral parotid gland, and the affected side will have severe pain in front of the ear. After a few hours of swelling, the local skin is hot and red, and is infiltrated with hard nodules, with obvious pressure pain. Severe cases will be accompanied by high fever and generalized toxic symptoms. 3. Autoimmune parotitis: Inflammation of the soft tissues of the parotid gland due to simultaneous attacks of the immune system and bacterial infection. It causes recurrent parotid gland enlargement, and patients often have no obvious symptoms. Some patients may also experience systemic symptoms such as fever, malaise, and loss of appetite. When the above symptoms occur, it is recommended to seek prompt medical attention, follow the doctor’s instructions for further examination, clarify the cause with the doctor’s help, and carry out targeted treatment or therapy.