Cloud computing seems to offer some incredible benefits for communicators: the availability of an incredible array of software applications, access to lightning-quick processing power, unlimited storage, and the ability to easily share and process information. All of this is available through your browser any time you can access the Internet. While this might all appear enticing, there remain issues of reliability, portability, privacy, and security. When our private data are out-sourced in cloud computing, we should guarantee the confidentiality and searchability of the private data. Our paper provides a new approach to avoid the disclosure of the sensitive attributes of users when user ask for service from the Service Provider (SP) in cloud computing.