Parotid swelling may be associated with mumps, poor sleeping habits, wisdom teeth pericoronitis, recurrent aphthous ulcers, and other factors. 1. Mumps: If you are in contact with mumps patients, or infected with mumps virus, it will lead to mumps, which can cause parotid gland enlargement, swelling and pain, etc. Mumps vaccination is an effective way to prevent it, and you can also use medication such as cotrimoxazole tablets of acetylsalicylic acid and loxoprofen sodium tablets to treat it with the doctor’s advice. 2. Bad sleeping habits: If there are bad sleeping habits, the parotid gland is compressed for a long time, resulting in poor blood circulation in the face, which can cause swelling and pain in the parotid gland, you can choose to use local massage to relieve the situation, and you need to develop good sleeping habits to avoid the face from being compressed. 3. Wisdom teeth pericoronitis: If you do not pay attention to oral hygiene, resulting in the oral cavity is a large number of bacterial growth, can cause wisdom teeth pericoronitis, when serious, can lead to swelling and pain in the cheeks, daily oral hygiene, brush your teeth often, avoid overwork. 4. Recurrent Aphthous ulcers: If you do not maintain a good diet, long-term malnutrition or overwork, can cause oral mucosal damage, resulting in recurrent Aphthous ulcers, serious cases can lead to swelling and pain in the cheeks, can be recommended by the doctor, the use of cediriodine tablets, cotrimoxazole dexamethasone film and other drugs to relieve. If the parotid pain can not be effectively relieved, should go to the hospital in time for examination and symptomatic treatment.