The patient’s left ear always feels buzzing. Clinically, three main reasons are considered: First, the patient may have suffered a fracture in the ear due to an external impact, resulting in damage to the patient’s nerve, so a buzzing sound will occur, which must be treated with active nerve nutrition therapy. Secondly, it is mainly considered that due to the inflammation of the patient’s external ear canal, such as acute otitis externa or acute otitis media, there is often a lot of inflammatory exudate secretion inside the ear canal, which leads to the buzzing of the patient’s ear. Third, the main consideration is that the patient is often in a highly stressful environment, such as work, study pressure is particularly high, always stay up late and do not rest well, especially prone to tinnitus. In life, no matter what kind of reason causes patients to have ringing in the ears, they must be actively treated.