A transaction coordinator (11), transaction resource using terminal (1) and service terminal (2) are disclosed, a method for processing the distributed transaction by the transaction resource using terminal (1) and the service terminal (2) is also disclosed. The using terminal (1) registers the transaction resource client terminal (12); submitts a submitting request through the registered transaction resource client terminal (12); logs out the transaction resource client terminal (12). According to the transaction identifier in the service operation request, the service terminal (2) looks up the corresponding transaction adapter (211); replaces the current transaction with the transaction adapter (211); executes the service operation; registers the resource manager (22) to the transaction adapter (211) cooresponding to the transaction identifier; according to the transaction identifier in the submitting request, conveys the submitting request to the corresponding transaction adapter (211), executes the submit through the registered resource manager (22).