Vestibular hypofunction is caused by insufficient blood supply to the arteries of the inner ear due to overwork, autonomic dysfunction and other factors, and usually manifests itself in symptoms such as vertigo, nausea and vomiting. Vestibular hypoplasia can take drugs such as iproniazid tablets and diphenhydramine hydrochloride tablets. 1. Isoprinosine tablets: Isoprinosine tablets are antihistamines with sedative, analgesic and antiemetic effects, which are used in the treatment of skin and mucous membrane allergies, motion sickness and other diseases. Isoprinosine tablets can relieve vestibular hypofunction by inhibiting the discharge of vestibular neurons. 2. Difenidol Hydrochloride Tablets: It is used for the prevention and treatment of vertigo, nausea, vomiting caused by various reasons or diseases, such as motion sickness when traveling by car, ship or airplane. This drug has the effect of improving the blood supply of vertebral artery, regulating the function of vestibular system and inhibiting the vomiting center. Patients with vestibular hypofunction should be treated with appropriate medication under the guidance of a doctor.