Hong Kong’s achievement s in public health over the past two centuries covered four major areas:
1. From a single determinant of health to total determinates of health:
2. From a barren island to an international city
3. From solely a government – led administration in public health to community mobilization at different levels in public health, such as healthy cities, healthy schools, healthy work place, health promoting university, and healthy and housing estates.
Many socially related public health problems, such as smoking, drug abuse, obesity and mental stress, arise because of political and socio-economic factors.