Ms. Zhang is 52 years old, and although she is usually in good health, she still has palpitations when she looks back on a recent illness. The thing is, one morning two months ago, Ms. Zhang was awakened by a violent dizziness, can not get up, vomiting more than, family members rushed to call 120 sent to the emergency department of a large and well-known hospital nearby, after blood tests, photographs of the examination did not find obvious lesions, muscle injection and infusion of fluids, dizziness only gradually improved, in the hospital for a day of observation, see no serious injury went home. After Ms. Zhang went home, she thought she was fine, but she was still suffering from dizziness for three days, and she became dizzy as soon as she turned over in bed. She has registered to see the neurology and ENT departments of several large hospitals, and has seen outpatient clinics, long appointments for examinations and photos, and some experts say it is cerebral ischemia, and some experts say it is Meniere’s disease, but neither medication nor drips work. In the case of spending thousands of dollars ineffective, after the recommendation of a friend, Ms. Zhang was admitted to the neurology department of a hospital with the psychology of trying. After examination, it was found that the dizziness that had plagued Ms. Zhang for days was caused by a condition called “otolithiasis”. The specialist told us that otolithiasis is a disease in which violent and transient dizziness occurs when the head changes position due to the dislodgement of an otolith in the inner ear. Usually, the sensation of rotation does not last more than a minute, but the discomfort can last from several minutes to tens of minutes. It can reoccur with another change of head position. Some patients have a tendency to resolve spontaneously, and it may resolve on its own after a few weeks or months, so it is called “benign” positional vertigo. However, the pain of the disease is obvious and affects the work and life of patients seriously, and some patients do not recover for years, so it must be treated as soon as possible. After Ms. Zhang was diagnosed with “otolith”, she was treated with a special treatment called “manual repositioning”, and was discharged from the hospital in less than 10 days with other comprehensive treatments. After her discharge, her dizziness has not recurred once, and Ms. Zhang is happy to show off her new discovery of otolithiasis to everyone.