Project social worker is a new type of social worker in the context of the government purchase services. The diversified writing ability，professional service ability，comprehensive management ability and highly internalization professional ability is the core ability that project social work must have. “The general orientation” of the Case Work Teaching is a professional course for shaping this ability. The practice has shown that strengthening the relationship of occupation，profession and curriculum，seamless connection of knowledge acquisition，virtual training and practical operation，effective coordination of personal growth，teamwork，and project development does help in shaping the ability from different levels.