The curriculum model of career clusters in America is based on the economic development and employment demand, aims to cultivate students employment flexibility and professional adaptability, and achieve their life-long professional career development; it take the classification of career clusters and professional approach as the accordance to construct the curriculum system sequently.

Methods Professionals were selected by stratified and random sampling.

Objective: To describe the physical activity level and its influencing factors of Chinese professionals, to provide basis for developing intervention strategies.

To understand the current status influencing factors of sub-health on Henan nubig-city,a questionable survey was conductedin nine occupational groups.

Analysis of death causes and potential years of life lost for the occupational population in Taian city;

Risk of contract with hepatitis E virus in occupational populations;

Follow up study on dynamic change in marks of HBV infection in occupational population;

Knowledge,attitude and behaviors on brucellosis among occupational groups in western Liaoning province

Objective To find out the subhealthy state and risk factors in the occupational groups of teachers, aluminous workers and people in road-maintaining in order to offer the scientific evidence for adopting the countermeasures.

Objective: To study health effect of occupational group exposed to terephthalic acid, ethylene glycol, hydrogenated terphenyls, and research for the precautionary measures of third-level prevention.

From professional post group angle pondering construction of virtual laboratory for network engineering;