中文摘要：

给出了超群、自由超群的定义,讨论了其基本性质与构造,证明了自由超群的存在性。通过列举超群的例子,论述了超群及其相关理论。

英文摘要：

The concepts of the supergroups and free supergroups are introduced,some basic properties and structure are distussed.The existence theorem of free supergroups is proved.Some concrete examples are given to understand the subject better,also some correlation theories are discussed.