Citizenship and Social Development aims to help students develop a broad knowledge base and foster their sense of national identity with a global perspective through studying topic related to Hong Kong, the country and the contemporary world.   It enables students to develop multiple perspectives as well as understand the roles and interplay among individuals, society, the country and the world through studying different topics in the areas of economy, science, technology, environmental protection, sustainable develoipment and public health.  This subject also aims to enhance students' critical thinking, rational analysis and problem-solving skills, as well as develop positive values and attitudes.