Head swelling and tinnitus may be related to lack of sleep, or it may be caused by high blood pressure, insufficient cerebral blood supply, and auricular diseases. 1. Lack of sleep: some people stay up too late for a long time, resulting in the brain and the organism not getting sufficient and reasonable rest for a long time, causing brain dysfunction, which may cause head swelling and tinnitus, and may also be accompanied by mental lethargy, weakness and other manifestations. 2. Hypertension: Especially for patients with a history of hypertension, elevated blood pressure due to certain adverse factors increases the pressure in the blood vessels, which may cause head swelling, tinnitus, and may be accompanied by nausea, vomiting and other symptoms. 3. Insufficient blood supply to the brain: commonly seen in cerebral atherosclerosis, due to slow blood flow, resulting in insufficient blood supply to the brain, may cause head swelling, tinnitus, may also be accompanied by dizziness, headache and other symptoms. 4. Otogenic diseases: such as Meniere’s disease, may be related to infection, ear injury and other factors, can make the patient appear vertigo, head swelling, tinnitus and other symptoms, and in severe cases, can also cause neurodeafness and other complications. Head swelling and tinnitus may also be caused by other reasons. If the symptoms persist and cannot be relieved, the patient should seek medical advice as soon as possible to clarify the cause of the disease and be treated under the guidance of a doctor.