由于资产管理公司承接、收购的商业银行的不良债权范围广、时间长、金额大，很多借款人（包括担保人）发生改制、改组、合并分立等情况，这就必然导致诉讼主体发生变化。因此，正确确定这类诉讼中的诉讼主体，对及时有效地维护债权人的利益，保全资产是十分重要的。 一、关于原 Because of the wide range, long time, large amount of bad debts of commercial banks acquired by the asset management companies, many borrowers (including the guarantors) have undergone restructuring, restructuring, merger and division, which will inevitably lead to changes in the subject of litigation. Therefore, to correctly determine the subject of litigation in such litigation, it is very important to maintain the interests of creditors and preserve the assets in a timely and effective manner. First, on the original