Vertigo without favoring one side without rotation refers to dizziness without a sense of rotation. It is a feeling of rocking and unsteadiness of external objects or oneself, or swaying from side to side or back and forth, and is aggravated when gazing at moving objects, or in noisy environments. Symptoms are mild, accompanied by vegetative symptoms are not obvious, the duration is long, up to several months, mostly seen in the brain and eye and other disorders. Such as ocular vertigo, cardiovascular disease, systemic poisoning or infection or metabolic disease, anemia, cervical spondylosis and cervical myelopathy, neurosis and head trauma. Vertigo can be caused by a variety of reasons, which may be “minor”, or even physiological factors, but also may be the manifestation of serious diseases, so the patient can not be taken lightly, must be described to the doctor in detail the history of the disease and seizures of the specific process, but also must be subjected to a series of tests in order to clarify the causes of vertigo. These tests include blood and urine examination, funduscopic examination, cervical spine film, electrocardiogram, electro-audiogram, vestibular function test, echocardiogram, cerebrospinal fluid examination and cerebrovascular examination, cranial CT, magnetic resonance imaging, etc. The diagnosis will be made after the above tests. The diagnosis is made after the above examinations.