一份再完美的合同,在签订完成后,只做到了防范法律风险的第一步,而接下来的履行过程需要双方或者多方的配合,自然会存在多样的法律风险。而在实践中,很多的中小企业都容易想当然而忽略一些风险。笔者结合工作实践,就合同履行过程中易被忽略的几类风险,谈谈一己之管见。以对方不开发票为由行使抗辩权带来的法律风险经济交往过程中,当事人基本都注重索要发票,就很容易出现一方如果不出示发票, A perfect contract, after the signing is completed, only to prevent the first step to prevent legal risks, and the subsequent implementation process requires the cooperation of two or more parties, there will naturally be a variety of legal risks. In practice, many SMEs are easy to take for granted and ignore some of the risks. The author combines work practices, to be overlooked in the process of contract performance of several types of risks, talk about one’s own management. The other party does not open the invoice on the grounds of exercise of the right to defense legal risks brought by economic exchanges, the parties are basically focused on asking for an invoice, it is easy to appear If one party does not produce an invoice,