Suggestion on improvement of surveillance technique for chronic diseases and related risk factors in China

The chronic disease and related risk factor surveillance system in China covers the whole country, which is the powerful data source to understand the prevalence of major chronic diseases and related behavioral risk factors in adults in China. The surveillance technique has been improved greatly compared with that 10 years age. In order to further improve the surveillance technique, this paper put forward some suggestions on the sample representativeness, terminal sampling method, survey design, electronic manometer usage and subject age range in the surveillance.