Transaction rollback system and method

The invention discloses a transaction fallback system and method. The transaction fallback system comprises a context management unit used for generating context management information according to a transaction needing to be executed; the revocation log capturing unit is connected with the context management unit and used for generating revocation logs corresponding to the transaction nodes according to the operation information of the transaction nodes when the transactions are executed in the forward direction, and all the revocation logs of the single transaction and the context management information are stored in an associated mode; and the transaction rollback unit is respectively connected with the context management unit and the revocation log capturing unit, and is used for carrying out rollback processing on the executed transaction according to the context management information and the corresponding revocation log. According to the invention, the context management unit and the revocation log cap