Pale, bloodless face is mainly considered to be related to conditions such as anemia, hematologic disorders, and early stage of shock. 1. Anemia: When a patient is anemic, the local blood supply is insufficient and pallor may occur. The more common types of anemia are iron deficiency anemia, megaloblastic anemia and thalassemia. It may be related to the patient’s poor diet and digestive diseases. 2. Blood system diseases: may be seen in some patients with leukemia, some patients with leukemia will have lower hemoglobin, so there may be some symptoms of anemia. If you want to clarify the cause, you can check the blood routine and do bone marrow cytology if necessary. 3. Shock: When shock is caused by various reasons, the patient will look pale and bloodless, accompanied by generalized weakness, which may be life-threatening in serious cases. It is recommended to go to the hospital in time to get a clear diagnosis and standardized treatment.