Patients with dizziness and flushing are mainly considered for the following reasons. Firstly, it is considered to be caused by high blood pressure. When blood pressure is elevated, there will be vasodilatation of the head and face, the blood vessels in the head are congested, and the patient will have the performance of dizziness and flushing, and may also have the symptoms of head distension. Secondly, the patient’s dizziness and flushing may also be caused by infectious diseases. When the body temperature rises, there will be symptoms of flushing, and when there is a cold or fever, there will be symptoms of dizziness, and the patient will also have symptoms such as cough, sore throat, runny nose, sneezing, and muscle aches. Thirdly, it should be considered as erythrocytosis. The characteristic performance of erythrocytosis is that the patient will have the symptoms of flushing and dizziness, which is caused by the increase of red blood cells, which can be clarified by doing routine blood tests.