The invention provides a system and a method for contract management based on metadata. The system comprises a contract configuration module, a contract input module, a contract batched maintenance module and a contract data verification module, wherein the contract configuration module manages contract elements and completes association between contract types and the contract elements; the contract input module generates a contract input interface according to contract configuration information and completes contract input and contact month division; the contract batched maintenance module carries out contract batched maintenance according to the contract configuration information; and the contract data verification module carries out verification on the contract data obtained through processing of the contract input module and the contract batched maintenance module. The system and the method provided by the invention meet the expansibility of contract management in an electric power market, effectively promote the timeliness of contract management, improve the operational convenience of contract management, and increase the verification capacity of the contract data so as to adapt to new requirements of development of the electric power market for contract management.