With the increase of blood in blood banks in China industry, the Ministry of health of blood col ection and supply of blood requirement also continues to improve, nucleic acid detection and automatic separation of blood components are imported and domestic equipment of the business operational. Equipment is the State-owned assets, is an important tool for ensuring operational research work, the purchase of expensive equipment and strict management must be carried out to ensure blood bank blood col ecting and supplying equipment to achieve a good technical state.