Method  In the new paper, the formation mechanism of the distribution service price of the incremental distribution network, the transmission price sharing mechanism of the provincial grid and the price sharing mechanism of the access to the public grid were analyzed, and the applicability, advantages and disadvantages of the benchmark price method, the bidding price method and the post pricing method were studied.

  Result  In the aspect of the transmission price sharing of the provincial grid, the stamp method is compared And the advantages and disadvantages of the two methods of node electricity price, put forward targeted suggestions; in the access to public network price mechanism, put forward the corresponding relationship between price mechanism and asset interface division.

  Conclusion  This paper studies the price formation mechanism of incremental distribution network, hoping to provide valuable reference for the reform and development of China's power system.