Development of public bicycle is becoming an important measure to approach “green traveling” strategy, and is an important safeguard for green transport. Firstly, in the article, the development history of public bicycle is reviewed. The advantage and disadvantage of regional bicycle, traditional public bicycle and network bicycle sharing are compared. Secondly, many problems of the industry in current stage are put forward. At last, ideas for four aspects of development mode of public bicycle related to operation mode, entry and exit, ticket and fare and operational environment are developed, which provide a reference for the development of public bicycle in China.