Diet adjustment: 1. Arrange your own food and water evenly every day, strictly control the amount of food per meal, and don't overeat; 2. Avoid foods high in salt and sugar, because these ingredients may cause fluctuations in fluid pressure in the inner ear, and induce or aggravate symptoms. Therefore, try to eat more fresh fruits, vegetables and whole wheat foods, and less canned, refrigerated or processed foods; Drink enough liquids every day, including water, milk and low-sugar juice. Don't use coffee, tea and soft-packed drinks. 4. Avoid caffeinated drinks and foods, such as coffee, tea, chocolate, etc., because caffeine has the diuretic effect of drainage and is also a stimulant that aggravates symptoms; 5. Limit or quit drinking habits. Alcohol can directly act on the inner ear, changing the volume and composition of inner ear fluid and aggravating symptoms; 6. Avoid foods containing monosodium glutamate, which will aggravate the symptoms of some patients.