Attribute-Based Encryption (ABE) is a standard encryption that allows users to encrypt and decrypt data based on user attributes. It is extension o f attribute set based encryption to improve scalability and flexibility while at the same time Inherits the feature of fine grained access control of ABE. It is flexible access control of encrypted data stored in the cloud. It is using access polices and attributes associated with private keys and ciper-text. The drawbacks of this scheme are that decryption involves expensive pairing operations.