Thalassemia can be judged mild to moderate based on symptoms, treatment, and diet. 1. People with thalassemia minor may have mild anemia. However, most people with mild thalassemia do not have any signs or symptoms, and mild anemia can make patients feel tired. Generally, no treatment is needed, and no special dietary regimen is required for a good maternity checkup during pregnancy. 2. People with thalassemia intermedia have mild to moderate anemia. Besides, there are slow growth, delayed puberty, osteoporosis, enlarged bone marrow, bone deformities, enlarged spleen, aggravation of anemia and jaundice. Regular blood transfusion, spleen cutting, etc. are needed for treatment, and the diet should be supplemented with protein-rich foods and vitamins. Thalassemia patients are recommended to go to the hospital in time, and receive regular treatment under the guidance of physicians as soon as possible.