Left ear snoring belongs to left ear tinnitus, which may be caused by foreign bodies in the external auditory canal, cerumen embolism, acute otitis media, and neurogenic tinnitus. 1. Foreign bodies in the external auditory canal: for example, insects crawling into the left ear canal, cotton swabs falling into the ear canal, etc. When these foreign bodies are close to the tympanic membrane, the phenomenon of whistling in the ear will occur, especially during meals and exercise, and the symptom will be aggravated. 2. Cerumen embolism: cerumen is also commonly known as earwax, when cerumen excessive blockage and impact on the eardrum, it will trigger tinnitus symptoms, the ears whirring. 3. Acute otitis media: acute inflammatory disease of the mucous membrane of the middle ear, tinnitus symptoms can occur, manifested as the left ear whirring. 4. Neurogenic tinnitus: for example, often stay up late or under prolonged fatigue, can cause the ear nerve ischemia, edema and spasm phenomenon, which leads to neurogenic tinnitus, the symptoms of the left ear whirring and ringing. Tinnitus in the left ear, it is recommended to consult a doctor in a timely manner, systematic examination to clarify the diagnosis.