In the modern medical system,cancer hospital is an important place to provide professional medical services,and its medical process design plays a crucial role in improving the quality of medical services and patients'medical experience.Here,taking the Cancer Center project of the First Affiliated Hospital of Wenzhou Medical University as an example,the theoretical basis,practical application,existing problems and solution strategies of medical process design are discussed by analyzing the design points of primary medical process flow,nuclear medicine space,surgical operating room and tumor ward,which aims to provide reference for the design of cancer hospital in the future.