Left ear whirring is a symptom of tinnitus; patients are advised to go to the regular hospital for examination first, which may be a symptom of certain diseases, such as neurogenic tinnitus, secretory otitis media, and foreign bodies in the ear canal. 1. Neurogenic tinnitus: it may be induced by insufficient blood supply to the inner ear and poor microcirculation in the inner ear, and patients often show different degrees of abnormal sound sensations in the ear, and the symptoms may appear intermittently or sustainably. The symptoms may occur intermittently or continuously. At the same time, it may be accompanied by hearing loss, ear stuffiness, dizziness and other manifestations. 2. Secretory otitis media: It may be related to the dysfunction of the Eustachian tube, infection or immune response. Patients mainly manifest hearing loss, ear pain, tinnitus, ear stuffiness and other symptoms. 3. Ear canal foreign body: such as ear canal cerumen or ear canal flying insects, etc. irritation of the eardrum and external auditory canal accompanied by tinnitus sound. It is recommended that patients go to the hospital as soon as possible for examination, and after the doctor clarifies the cause of the disease, targeted treatment will be given.