The symptoms of prolonged tinnitus may be caused by various factors, such as lifestyle habits and disease factors, as follows: 1. Lifestyle habits: Patients may work and live in a noisy environment for a long time, which may lead to prolonged tinnitus, or some patients may use headphones for too long. 2. Disease factors: Some patients have insufficient blood supply to the inner ear. Some patients may also suffer from hypertension, diabetes mellitus, hyperlipidemia and other underlying diseases, which may cause prolonged tinnitus symptoms. For patients, once tinnitus symptoms occur and do not improve, they need to go to the hospital as soon as possible and take appropriate treatment and treatment measures to avoid tinnitus symptoms that do not improve.