Abstract: Supplying public service is aimed at improving peoples well-being. The urban fixed-point public service is now faced with three types of predicaments—the unbalanced distribution in different public service categories， the uneven distribution in different geographical spaces and the unequal distribution in different social classes. To handle these problems， a distinction between planners and producers should be made， and the four kinds of provision patterns should be adopted， which are the collaboration between government and market(G-M)， the collaboration between government and social organization(G-S)， the collaboration between market and social organization(M-S)， and collaboration among government， market and social organization(G-M-S). To improve the performances of these provision patterns， the mechanisms of financial input， production and allocation should be designed. In the patterns of G-M and G-S， more attention should be paid to the allocation mechanism; in the patterns of M-S， more priority should be given to the financial input mechanism; and in the patterns of G-M-S， a balance should be struck among the three mechanisms.

Key words: city, fixed-point public service, provision pattern, governance mechanism