Otolithiasis is the dislodgement of otoliths due to a variety of causes and manifests itself as vertigo, nausea and vomiting associated with changes in head position. The disease includes primary otolithiasis and secondary, which is commonly associated with head trauma, sudden acceleration or deceleration while traveling in a car, viral neuritis, transient vertigo of the vertebral basilar artery, circulatory disorders of the inner ear, otitis media, post ear surgery, Meniere’s disease, and abnormalities of calcium metabolism of the whole body. The main symptom of this disease is a sudden onset of intense rotational vertigo that occurs when the head position changes, which may be accompanied by nausea and vomiting, nystagmus, etc. It usually lasts less than 1 minute and often occurs when lying down from a sitting position, from a lying position to a seated position, or when turning over. After an attack of vertigo, there may be a long period of floating sensation, light-headedness, and so on. It is recommended that people with similar symptoms should consult a doctor in time to clarify the cause and diagnosis, and then undergo regular treatment.