The social worker's card refers to the social worker's certificate issued by the personnel bureaus in various regions, printed by the Ministry of Personnel and jointly printed by the Ministry of Personnel and the Ministry of Civil Affairs, that is, the "People's Republic of China (PRC) (PRC) Social Worker's Professional Level Certificate". The certificate is valid nationwide. After obtaining a social work permit, you can engage in social work, and the field of social work services has gradually expanded from civil affairs to political and legal, health and health, justice, the Communist Youth League, women's federations, trade unions, disabled persons' federations and other departments.