This paper gives a new concept of reflexive closure of fuzzy relation and symmetric closure of fuzzy relation and also gives operation method and properties about it .

本文定义了模糊关系的自反闭包、 对称 闭包概念，同时给出了模糊关系的自反闭包、 对称闭包的运算方法及性质.打破了在原有的模糊关系只有传递闭包的局面。