The white of the eye is too white, indicating that the blood distributed in the white part of the eye is reduced, indicating that the body is anemic, the symptom is most often found in children, the elderly and pregnant women. The decrease of blood in the white part of the eye, the problem of the white of the eye should be related to the lack of qi and blood, liver qi deficiency cold, lung problems and anemia poor sleep, cough long-term lung abnormalities have a lot to do with it, look for bronchitis, stool abnormalities. Long-term poor sleep and abnormal embolism of the blood vessels in the eyes have a lot to do with it, pay attention to the observation to identify the cause of the disease and adjust the diet and sleep in a timely manner. Anemia caused by the white of the eyes can be diagnosed through clinical examination. Folic acid, vitamin B12 and serum ferritin are all indicators of anemia in the body. Folic acid and vitamin B12 deficiency can lead to megaloblastic anemia and iron deficiency can lead to iron deficiency anemia. The reference ranges of normal values for the above three indicators are: folic acid 9.5 – 45.2 nmol/L , vitamin B12 179 – 660 pmol/L and serum ferritin 15 – 200ug/L. Other symptoms of white of the eye caused by anemia are weakness, fatigue and sleepiness, which are due to muscle hypoxia. It is the most common and earliest symptom to appear. Pallor of the skin and mucous membranes, the skin, mucous membranes, conjunctiva and the distribution and diastolic state of the skin capillaries are influenced by other factors. The color of the lid conjunctiva, palm size fissure and nail bed are generally considered to be more reliable. Dizziness, headache, tinnitus, blurred vision, inattention and drowsiness are common symptoms. Late symptoms include tachycardia, a soft systolic murmur called anemic murmur can be heard in the apical or pulmonary valve region, and a diastolic murmur can be heard in severe anemia. Shortness of breath or dyspnea, syncope and even confusion can occur in those with severe or acute anemia, especially in elderly patients.