In order to promote cross-provincial mid-and-long term market transactions, and furtherly realize the optimal allocation of energy resources in a wider range, it is necessary to improve the cross-provincial mid-and-long term trading mechanism. Firstly,current situation of Chinese cross- provincial mid- and- long term market is analyzed from the perspective of market characteristics and existing problems. Secondly, the development, trading varieties, interregional coordination and other market information of PJM,Iberia, Northern Europe and the United Kingdom are combed, and then the differences between European and American markets and Chinese market are compared and analyzed in terms of market types, mid-to-long term market and spot coordination methods, electricity financial markets, promotion of new energy consumption mechanisms and deal mode. Finally, combined with European and American market-related mechanisms to Chinese cross- provincial mid- and- long term market development, the experiences on Chinese market construction are analyzed.