Global online school, Hefu Luyou social worker certificate training institution, etc. The social work examination and training institutions in Hefei High-tech Zone are mainly conducted through online lectures and online courses, among which the well-known ones are Global Online School and Hefei Luyou Social Work Certificate Training Institution. Social workers refer to professional and technical personnel who are engaged in specialized social services in social service institutions such as social welfare, social assistance, social charity, rehabilitation of the disabled, special care and resettlement, medical and health care, youth services, and judicial correction.