Abstract: Based on the national long-term talent development plan in demand for professional social workers, the paper uses quantitative analysis method from the perspective of vocational identity and puts forward a four-dimension structure of professional social workers'vocational identity: vocational values, vocational emotions, vocational skills and vocational expectations. The paper also discusses symbols and opportunities of the vocational identity through in-depth interviews, with some proposals for the long-term career development of this group: increasing publicity to enhance value, regularly communicating to enhance emotion, strengthening training to improve skills and clearing vision to meet expectations.