The full text discussed Professor Lei Lei's experience in treating premature ovarian failure(POF)after chemotherapy in patients with leukemia from the perspectives of etiology,pathogenesis,diagnosis and treatment characteristics and typical cases.Mr.Lei thought that we should departure from the kidney.He believed that kidney deficiency anaemia,deficiency and blood stasis were the fundamental pathogenesis of the disease,and regarded nourishing the kidney and blood,promoting blood circulation to remove blood stasis as the basic principles.Based on the experience prescription named"4-2-5"of famou...