3 The main tasks of National Pediatric Cancer Surveillance

To provide the country with indicators such as incidence，mortality，prevalence，and survival rate of children with cancer，as well as diagnostic information，therapeutic methods，effect evaluation，adverse reactions，survival information，and help understand the disease burden and changing trends of pediatric cancers in China.

To provide the general situation and developments of children with cancer of medical institutions in the region，to put forward the basis and suggestions for the rational medical resources allocation against pediatric cancer，such as medical personnel，hospital beds，and other related facilities，and to improve the accessibility of cancer diagnosis，treatment，and care for children in the region.

To provide the diagnosis，treatment and nursing situation，quality and effect of diagnosis and treatment institutions for children with cancer：to follow up the new technologies and methods carried out by hospitals，scientifically evaluate their development and effect，and provide evidence for monitoring and evaluating the effectiveness of control measures of pediatric cancer.

To lay a foundation for clinical data analysis，large-scale cohort study，as well as early diagnosis and early treatment of pediatric cancer，and to provide data for etiology，clinical diagnosis，treatment，prognosis，and prevention of pediatric cancer：to provide data support for the formulation of standardized guidelines for diagnosis and treatment of pediatric cancer，training for specialized talents，and continuing education programs.