Sudden deafness, also known as idiopathic blast deafness, is a sudden loss of hearing that can reach a peak of deafness or even total deafness in 1 to 2 days. It is a sensory-neural deafness caused by systemic or local factors. A small percentage of patients have dizziness. [1. Deafness: Sudden and obvious hearing loss (mostly unilateral), most patients have tinnitus, and some patients have stuffiness, fullness and obstruction in the ear. 2. Causes: Most patients have no obvious causes for the onset of deafness, many of them occur during sleep and feel tinnitus and deafness when they wake up. Some patients have obvious history of exertion, emotional excitement, mental tension and cold, which may be related to the onset of the disease. 3. Vertigo: A small number of patients have deafness and vertigo at the same time, with a spinning sensation, often accompanied by nausea and vomiting, mostly in about a week after the onset of vertigo, tinnitus and deafness do not improve, with vertigo, hearing loss is more serious, and not easy to recover. [Diagnosis] 1. Sudden and obvious hearing loss, unilateral deafness is common, some patients can be accompanied by vertigo, electrical audiometric examination is sensorineural deafness. 2. Differentiation: Simple sudden deafness is easy to diagnose because of the sudden onset of symptoms, obvious hearing loss, and mostly single ear onset, so it is not easy to be confused with other deafness; but if the patient is accompanied by vertigo, it should be differentiated from many diseases, at this time, you should go to the hospital and ask a specialist for examination in time, because the identification of vertigo symptoms requires the help of various instruments, so it is not something that the patient can do by himself. [Treatment] Patients with sudden deafness, if the hearing loss is not too obvious and the symptoms are relatively mild, they can be treated at home after the doctor’s examination and with the doctor’s consent; if the symptoms are significant, the deafness is severe and even accompanied by vertigo, they need to be hospitalized as soon as possible. 1.Block of stellate ganglionBlock of stellate ganglion can help restore blood supply to the cochlea, dilate blood vessels, improve blood flow to the infarct site, increase the local oxygen content and the content of activated scavenging enzymes, inhibit and block the free radical chain reaction and reduce the consumption of scavenging enzymes, and at the same time, remove the large amount of free radicals generated locally by decomposition and metabolism; in addition, stellate ganglion block can regulate the abnormal changes in the endocrine In addition, stellate ganglion block can regulate the abnormal changes of endocrine system, which can significantly reduce the content of cortisol, aldosterone, angiotensin II, 5-HT, and substance P in the blood of pain patients. Stellate ganglion block 2, Western medicine treatment: most of the use of intravenous drug combined with intramuscular injection therapy, can also be used to add vasodilators into the glucose solution intravenous drip, along with vitamin B1, B2 intramuscular injection. Or with Chinese medicine injection, such as Chuanxiongzin, compound Danshen injection, Angelica injection, etc., drip.