1.What is vertigo? Vertigo is an illusion of movement of oneself or external objects that occurs suddenly and without external stimulation, mainly rotational, but it can also be a sense of rising and falling, back and forth, left and right swaying, and is a subjective feeling of balance disorder. 2.What department should I go to when I have vertigo symptoms? If it is accompanied by hearing loss, tinnitus, pus in the ear, stuffiness in the ear, etc., you should consult the ENT department; if the vertigo is gradually aggravated and persistent, it is usually caused by central disorders, and it may be accompanied by nausea, jet vomiting and other symptoms of cranial hypertension. If you can’t judge the symptoms, you can consult both ENT and neurology, and if necessary, orthopedics and ophthalmology. 3.What is the relationship between vertigo and the ear? The ear can be divided into outer ear, middle ear and inner ear from outside to inside, in which there is a kind of vestibular peripheral organ in the inner ear, and the lesion of vestibular peripheral organ is a common cause of vertigo, so the lesion of inner ear can directly cause vertigo, or the lesion of outer ear or middle ear can affect the vestibular peripheral organ of inner ear, which can cause vertigo. 4.What are the common vertigo diseases in otolaryngology? Benign paroxysmal positional vertigo (BPPV) accounts for 17% to 22% of vertigo patients. This disease refers to brief paroxysmal episodes of vertigo and nystagmus when the head moves rapidly to a specific head position, such as when sitting up in the prone position, or when lying down suddenly in the sitting position, when bending over, lowering the head, tilting the head, turning the head left or right, there will be a sudden onset of strong rotational vertigo, usually within 30 seconds, and the whole course of the disease can last for hours or days. The vertigo can occur periodically, with intervals of varying length. Meniere’s disease is mostly seen in young and middle-aged people under 50 years old, and most of them are involved in only one ear, while 10-20% of them have binaural onset. (3) fluctuating tinnitus; (4) ear swelling and fullness. The symptoms of this disease can be relieved without treatment, although the attacks can be recurrent and the interval between attacks is variable, but there are also attacks that do not occur again.