Data transaction method and device based on trusted execution environment

The invention discloses a data transaction method and device based on a trusted execution environment. The method comprises the steps of receiving a function code sent by a data user; and authenticating the function code to obtain an authentication result; receiving original data sent by the data owner based on the authentication result; in a preset trusted execution environment, calling the function code passing the authentication, and performing operation on the original data to obtain a data operation result; sending a collection prompt to the data owner, and sending a payment prompt to thedata user; and sending a data operation result to the data user under the condition of receiving a collection confirmation prompt sent by the data owner and a payment confirmation prompt sent by thedata user. Visibly, in the trusted execution environment, the authenticated function code is called to perform operation on the original data to obtain a data operation result, so that the original data of the data owner can b