Methods: the general situation of PIVAS of the First Peoples Hospital of Shanghai was introduced, and some problems and faults in medical orders were investigated.

HE Guang-wu; WEN Jie; LI Man-yang(Department of Radiology; Baoshan Branch of Shanghai First People's Hospital; Shanghai 200940; China);

Department of Internal Medicine; Branch of Shanghai First People's Hospital; Shanghai. 200081; China;