Cerebral blood supply insufficiency is often manifested as dizziness, which belongs to the category of “vertigo” disease in Chinese medicine, and can be diagnosed into different types according to the specific performance of the patient. Vertigo refers to blackness or blurred vision in front of the eyes, and dizziness refers to lightheadedness. Vertigo can be relieved by closing the eyes in mild cases, but in serious cases, it is like rocking and rotating like riding a boat, and can be accompanied by nausea and vomiting, etc. It can be caused by deficiency of qi and blood, hyperactivity of liver yang (the liver yang is too strong, which leads to dizziness, vertigo, headache, etc.), insufficiency of kidney essence, phlegm-dampness obstruction (phlegm-dampness stays in the spleen and stomach), and stasis of blood in brain and orifices. 1. Deficiency of qi and blood: dizziness may be aggravated by exertion or activity, and may be accompanied by fatigue, pale face, lips and nails, palpitation, panic and shortness of breath. 2. Hyperactivity of liver yang: Vertigo is often accompanied by headache, tinnitus, insomnia and dreaminess, dry mouth and bitter taste, flushed face, irritability and so on. 3. Kidney essence insufficiency: Vertigo is often accompanied by symptoms such as soreness and weakness of the waist and knees, forgetfulness, mental fatigue, spermatorrhea and premature ejaculation in men and irregular menstruation in women. 4. Phlegm obstruction: Vertigo is often accompanied by a heavy head, such as wrapped in heavy objects, chest tightness, nausea, nausea, phlegm, loss of appetite, and white tongue. 5. Stasis blocking the brain orifices: Vertigo is often accompanied by headache, forgetfulness and insomnia, dark purple face and lips, and dark tongue with petechiae and ecchymosis. It is suggested that people with insufficient blood supply to the brain should consult a professional doctor in time, and do not use medication on their own to avoid delaying their condition.