With a total area of about 120 square meter, the PIVAS provides centralized preparation of parental nutrition and cytotoxic drug by well trained pharmaceuticals. PIVAS is equipped with two biosafety cabinets, three horizontal lamination tables, 10,000-level configuration rooms, and 10,000 level dressing rooms, etc. the seamless connection with the hospital HIS can be achieved by the operator scanning the 2d barcode of the drug by handheld PDA, ensuring zero error in dispensing and infusion configuration. The cleanliness of PIVAS configuration room is up to 10,000 and the cleanliness of each configuration operation desk is up to 100, which effectively prevents the pollution of air particles and bacteria to the drugs, greatly reduces the potential risks of medication, and realized the complete closed-loop management of the quality of all infusion drugs.