等周定理证明史

等周定理是人类发现最早的数学定理之一，也是现代数学中一个重要定理，本文简要回顾了这一定理被证明的历史，对历代数学家的证明等周定理所作的努力与尝试作了详细的描述，同时，也指出这一定理曾是明清时期中西数学交流的一项重要内容。

The History Of The Proof On The Isoperimetric Theorem

The isoperimetric theorem is not only one of the ancient mathematical theorems. but also a important theorem in the modern maths. This paper looks back tile history of the proof and describes the work of the mathematicans all time on this theorem. and points out that this theorm is the important content of the sino-western mathematical interchange in Ming-Qing Period.