This chapter briefly appraises OTC market historical contributions，which include modern enterprise system establishment，development multi-level capital market perfection and direct financing way aspect exploration. Then this chapter summarizes experience and lesson of OTC market in process of development and points out that the government should not take the role of “the night watchman”，it should intervenes moderately，design the effective organization form and create the good exterior system environment. Finally this chapter gives the corresponding policy suggestion on further development and the innovation.