Magister theses initially explain the concept of bank guarantee, its basic features, types and forms. Further there is more attention on fraud and abuse of independent bank guarantee or bank guarantee on first call. Abuse of bank guarantee is when the conditions for payment of the guarantee amount of bank guarantee are fulfill, but is obvious that secured obligation from main contract is not breached. Principal of the bank guarantee has in such case the opportunity to propose the Curt for temporally injunction; furthermore he has a right to require undue amount paid back. Bank guarantor has a right of recourse to the subscriber, the bank has also the opportunity to propose the Curt for temporally injunction.