In civil law ,a guarantee guarantees the collapse of a debtor religion and its transfer to the guarantor or cause the guarantor and the principal deptor to be liable for the payment of the religion respectively or together,but in trade law,the parties can guarantee the guarantee on the basis of the transfer of religion or solidarity or the bond of religion is complicated. Securing contract,transferring the responsibility of the subject (debtor)to the responsibility of the guarantor ,and for that purpose ,the guarantee of the contract is said that its holding needs to be accepted and accepted.acceptance by the guarantor and acceptance by the subject. In the guarantee of a contractual guarantee,contrary to the contractual guarantee,the intention of the committed person is not effective and it is the basis of guaranteeing the law.the guarantee of a contract is the effect of the contract of a commitment to pay. Exchange guarantee is a commitment to pay a certain change for a receipt.againtsan exchange guarantee,there is a real guarantee.