Tinnitus with dizziness in the left ear is usually related to conditions such as acoustic neuroma, Meniere’s disease, and sudden deafness, which can be treated by surgery and medication. 1. Auditory neuroma: The left side of the auditory neuroma will show the symptoms of tinnitus and dizziness in the left ear. Thorough surgical resection is the first choice for treatment, which can improve the symptoms. 2. Meniere’s disease: tinnitus with dizziness in the left ear may be Meniere’s disease of the left ear, which is a kind of idiopathic inner ear disease with fluid in the membrane labyrinth, with clinical manifestations of episodes of rotational vertigo, fluctuating hearing loss, tinnitus and stuffy feeling in the ear, and so on. Bed rest during attacks high protein, high vitamin, low fat, low salt diet; drug therapy, vestibular inhibitors, such as phenylephrine, etc.; anticholinergics, such as scopolamine; vasodilators and calcium antagonists, such as betahistine; diuretic and dehydrating drugs, such as chlorthalidone. Dexamethasone and gentamicin can be injected into the tympanic cavity. 3. Left sudden deafness: unknown cause, sudden sensorineural hearing loss. The treatment generally applies hormones, systemic and local injections, such as methylprednisolone sodium succinate; improve circulation, such as ginkgo biloba extract, fiber-reducing drugs, such as bacitracin, nutritive nerve drugs, such as vitamin B1, methylcobalamin and other treatments. When tinnitus in the left ear is accompanied by dizziness, the patient should consult a doctor in time and follow the doctor’s instructions for medication and treatment after the diagnosis is clear.