The invention discloses a transaction control method and device, and belongs to the technical field of the computer and the internet. The method comprises the following steps: a receiver client sendsa transaction request to a background server after acquiring an transaction indication corresponding to goods information published by a first user account, wherein the transaction request carries a second user account registered to the receiver client and the indication information of the goods information; the background server acquires the credibility reference values of the first user accountand the second user account, the credibility reference value is used for indicating the transaction credible degree of the user account; and whether to execute the transaction request is decided according to the credibility reference value. Through the transaction control method disclosed by the invention, the problem that the security of the transaction cannot be guaranteed since the mutual understanding between the both transaction parties is absent in the prior art is solved; whether to execute the transaction request is decided by considering the transaction credible degree of the both transaction parties, the security of the transaction is improved.