Dizziness is mainly seen in the following areas: first, patients with weak constitution, such as malnutrition, severe wasting and advanced disease can appear dizziness, patients should pay attention to strengthen nutrition and eat high protein food. Second, postural hypotension, dizziness mainly occurs when the patient suddenly changes position, such as from sitting or lying position to standing position, it is recommended that the patient should be slow when changing position. Third, anemia, anemia is mainly manifested by pale face, dizziness, weakness, loss of appetite, panic, chest tightness and other symptoms, patients are advised to check the blood routine, patients diagnosed with anemia should pay attention to eating iron-rich food, if necessary, it is recommended to go to the hematology department. Fourth, hypothyroidism, which often occurs after thyroiditis or thyroid surgery, is recommended to check the thyroid function, and patients who have hypothyroidism are recommended to visit the endocrinology department.