The result showed that: β-thalassemia / HbE (double heterozygous) was highest proportion 54.2%, α-thalassemia / HBH and β-thalassemia are the same 22.9%, The red blood cell indices are lower than normal, the average Hb before transfusion is too low (70.0 ± 13.6g / l), average number of transfusions during treatment (2.0 + 2.3), average distance of two times too near 2.0+2.3 day.