Dizziness, nausea, vomiting and inability to eat are first considered to be caused by cerebral infarction. Normal brain activity requires a sufficient amount of blood circulation, and if suddenly a blood vessel somewhere in the brain is completely blocked, there will be ischemia, hypoxia and necrosis of brain tissue in that area, forming a cerebral infarction. When dizziness, headache, nausea, vomiting, weakness of limbs, hemiplegia and loss of appetite occur, you need to go to the hospital for head CT or MRI to make a clear diagnosis; you also need to monitor blood pressure, blood sugar and blood lipids. You can take oral medication aspirin, Bujinkan brain heart capsule, atorvastatin calcium. Usually, you should drink more water, pay attention to rest, low salt and low fat diet, quit smoking and limit alcohol.