This paper presents the basic system design and our initial experience on the operation and performance of a fully integrated radiotherapy treatment planning, treatment delivery and patient management network system at the Prince of Wales Hostpital, Hong Kong, The aim of the project is to establish a suitable tool for easy and reliable implementation of routine conformal radiotherapy and to improve the effciency and quality of radiotherapy service through system integration This paper presents the basic system design and our initial experience on the operation and performance of a fully integrated radiotherapy treatment planning, treatment delivery and patient management network system at the Prince of Wales Hostpital, Hong Kong, The aim of the project is to establish a Fitting tool for easy and reliable implementation of routine conformal radiotherapy and to improve the effciency and quality of radiotherapy service through system integration