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. In addition to erythrocytes, hemoglobin, and erythrocyte ratio, the most basic hematological tests for anemia-induced ocular hyperpigmentation should include: 1. Reticulocyte count Corrected reticulocyte count = patient’s erythrocyte pressure volume/0.45/L× reticulocytes (%). 2.Measurement of MCV and MCHC 3.Peripheral blood smear Observation of red blood cells for anomalous erythrocytes, such as spherical erythrocytes, target-shaped erythrocytes, lytic cells, uneven erythrocyte size, hypochromic and multi-stained erythrocytes, alkalophilic dot color, Cabot’s sphere, Howe’s week vesicles, etc. The number and morphological changes of white blood cells and platelets, and the presence of abnormal cells. 4.Bone marrow aspiration for bone marrow smear examination is indispensable for diagnosis, and bone marrow biopsy should be performed if necessary. Bone marrow examination must include staining to confirm or exclude iron deficiency anemia and iron granulocytic anemia. 5.Other routine urine, fecal occult blood and parasitic eggs, blood urea nitrogen, blood creatinine and lung X-ray should not be neglected.