Thalassemia alpha alpha-sea standard carriers generally refer to a mild form of bead protein-producing disordered anemia. Thalassemia refers to thalassemia, which is a hereditary chronic hemolytic anemia. The alpha and beta types are more common, and alpha-sea standard carriers are classified as having mild alpha-sea anemia, which means that one of the two chromosomes is defective and there are two deletions of the alpha gene. Generally, this type of patients will not have obvious clinical symptoms, but if the patient is pregnant, there may be a probability of the fetus appearing heavy type, therefore, prenatal genetic screening should be carried out, generally in the early pregnancy can be used chorionic villus puncture for genetic testing, in the middle of the pregnancy including amniocentesis, and if the gestational week is greater than 22 weeks, can be carried out for genetic and hematological diagnosis. Specific disease diagnosis and treatment should be carried out under the guidance of a physician.