Elevated erythrocyte count, to be treated according to the cause, as follows: 1, primary true erythrocytosis, to do bone puncture, bone marrow biopsy, including gene mutation detection, determined to be treated with cellular deceleration, including red blood cell removal or direct venous blood release, but also through drugs, such as cardiac drugs, interferon, can play a role in lowering red blood cells; 2, secondary erythrocytosis, according to the cause Treatment of the primary disease. If it is lung slow obstruction, congenital heart disease, to treat heart and lung disease to play a therapeutic role; 3, relative erythropoiesis, there is severe diarrhea, vomiting patients resulting in a large loss of body fluids after causing a relative lack of blood volume caused by increased red blood cell concentration, to be rehydrated, after replenishing blood volume, red blood cells can naturally recover.