This study aims at the government image shaping on government microblog from the perspective of city competence. Through analyzing the relation between government image on government microblog and city competence，we studied whether government image on microblog can reflect the city competence. Results showed that government image shaping on microblog obtained a satisfying effect，and government microblog presented its city’s overall strength and developmental competence. However，clear goals of the government portal website，government microblogs，and government Wechat accounts should be established and open up in the future，so as to fulfill a cloud communication model of government image.