Now-a-day’s rapidly increased use of cloud computing in the many organization and IT industries and provides new software with low cost. So the cloud computing give the users lot of benefits with low cost and of data accessibility through Internet. The ensuring security risks of the cloud computing is the main factor in the cloud computing environment, for example sensitive information with cloud storage providers may be entrusted. But ‘Single cloud’ provider is a less popular with customers due to risks service availability failure and possibly of malicious insiders in the ‘Single cloud’. A towards movement of ‘Multi clouds’ or ‘Multiple clouds’ or ‘Cloud-of-clouds’ has emerged currently using Shamir’s Secret Sharing Algorithm.