中文摘要：

公私合作背景下,为了完成行政任务,行政机关被赋予行政形式选择自由,行政手段和组织形式日益多样化。行政形式选择自由理论具有一定法理基础,也有一定法律界限。行政形式选择自由理论对促使行政法变革和新行政法诞生有着重要的行政法意义。

英文摘要：

In the context of public -private partnership, administrative departments have been entitledprivileges to choose administrative forms freely in order to complete administrative mission, so that the adminis-trative means and organizational forms have become increasingly diversified. The theory on freedom of choice ofadministrative forms has jurisprudential basis in spite of legal boundaries. This theory has vital significance toadministrative law in facilitating the reform of administrative law and the generation of the newadministrative law.