Betahistine hydrochloride is a drug used for the treatment of vertigo and can be used to treat all types of peripheral vertigo and central vertigo. Betahistine can be used for 14 days, i.e. 2 weeks in the acute phase, and for chronic vertigo, it can be used for 1-2 months for a longer period. Betahistine is mainly used for the treatment of various types of vertigo, and in otorhinolaryngology, head and neck surgery, vertigo is mainly peripheral vertigo. The main diseases caused by inner ear lesions include otoliths, which is the most prevalent form of peripheral vertigo. The treatment for otoliths is mainly manual repositioning, but after the manual repositioning, the patient will be left with dizziness and dizziness. Betahistine can be used to treat and relieve such residual symptoms, usually for 1-2 weeks, and can be discontinued after recovery. Chronic vertigo, such as Meniere’s disease, can be used during episodes. 2 weeks if in its interval or in remission, the dosage can be reduced or the number of doses per day can be reduced to prevent recurrence of lesions for 1-2 months.