独立保函是指为了担保债务的履行,保证人应基础交易债务人的委托,向基础交易债权人作出的,在债权人提出索款要求并提交符合保函约定的单据时,保证人不得援引基础交易项下的任何抗辩即须向债权人支付约定金额的承诺。对外独立保函是对外担保的一种形式,而对外担保是在一国外汇、外债管制制度下形成的担保类别,不属于新的担保方式。中国人民银行发布的《境内机构对外担保 Indemnity means that in order to guarantee the performance of the debt, the guarantor should be based on the commission of the debtor to the basic trading creditors, the creditor to make a claim and submit compliance documents, the guarantor shall not invoke any defenses under the basic transactions That is to be creditors to pay the agreed amount of commitment. Foreign guarantee is a form of external guarantee, while external guarantee is a kind of guarantee formed under the foreign exchange and foreign debt control system of a country and is not a new guarantee. People’s Bank of China promulgated the "external guarantees of domestic institutions