There are many causes of parotid pain, such as injury to the parotid gland area, parotitis and tumor in the parotid gland area, etc. The details are as follows : 1. Injury to the parotid area: cuts and bruises on the face can lead to injury to the parotid gland, which can lead to inflammation and parotid pain. 2. Mumps: It is a respiratory infectious disease caused by the mumps virus, and patients may show that the parotid glands are enlarged, swollen and painful. Since the disease is mainly spread through droplets, it is important to take isolation measures and wear masks frequently in daily life. 3. Tumors in parotid area: such as mucoepidermoid carcinoma, adenoid cystic carcinoma and so on. When the tumor grows and presses and stimulates the surrounding tissues, it can cause pain in the parotid gland. There are many causes of parotid pain, so it is recommended to consult a doctor to clarify the cause and then carry out targeted treatment.