Abstract: In the life cycle of tag usage, the owner often changes. In order to ensure the security of privacy information stored by different owners, an ownership transfer protocol which can resist exhaustive attack is proposed. The protocol adopted an innovative encryption algorithm based on bit implementation in terms of encryption algorithm. The ownership owner flag bit parameter was introduced into the protocol, and the owner was determined according to the parameter value, and the attacker had no right to modify its value. The protocol and other protocols in this paper were simulated. According to the simulation results, the security provided by the protocol in this paper is better than other protocols in the face of different network attacks, and the computing time of the electronic tag end is better than other protocols. The security analysis and formal analysis of the protocol show that the protocol has high security properties.