The improvement methods of insufficient blood supply to the brain are as follows: 1, low salt diet: high salt diet can damage blood vessels, low salt diet has a protective effect on blood vessels; 2, dietary diversity: miscellaneous and broad-based, grains and cereals, fresh vegetables, fruits have health effects on blood vessels, should be more intake; 3, exercise: can protect, soften blood vessels, such as tai chi, walking, swimming and other low-intensity exercise, can improve the lack of blood supply to the brain; 4, massage acupuncture points: Fengchi point can improve the lack of blood supply to the brain, reduce dizziness, vertigo, insomnia; foot three miles, Nei Guan points can improve blood circulation to the brain.