Nowadays, high security is the most essential requirement for spoofing attacks. There is more demand for more security and more precision and more speed of authentication for buying electronics. There is a large scope solution for security issues is human observable and physiology characteristic in bioscrypt. In any case, in phrases of both time and space the biometric systems are highly complex, for high security this is not that much appropriate. Consequently, for high authentication, in this paper investigating various methods used in the existing work for the finger vein recognition system.