Infections in the submandibular region, which is relatively important to the human body and is rich in loose connective tissue, are mostly caused by the spread of symptoms such as pericoronitis, alveolar abscess, and submandibular lymphadenitis in the jaw. Patients usually also have breathing difficulties, dizziness, headache, tracheal compression and other symptoms, which can lead to death in serious cases, so patients should go to the hospital for detailed examination in time to diagnose the cause and then carry out targeted treatment. For such symptoms, antibiotic drugs such as amoxicillin and clindamycin are generally recommended, and if the abscess is serious, surgery can be used to drain the excess pus to relieve the symptoms. During this period, pay more attention to rest, avoid staying up late, regular work and rest time, and eat more nutritious food with light taste and avoid spicy and stimulating food.