Purpose To investigate the diagnosis,differential diagnosis and clinical manifestation of primary plasma cell leukemia( PPCL) and lymphoma with increased plasma cell.Methods Through clinical data and cell morphology,flow cytometry( FCM),immunofixation electrophoresis and immunohistochemistry of Eli Vision two-step examination were used to analyze 7 cases of PPCL and 3 cases of lymphoma with increased plasma cell. Results All patients with PPCL and lymphoma with increased plasma cell presented with anemia,th...