Abstract: In this article,using q-open sets q-covers,the author has introduced the new concept of Q-closed spaces.Topological space X is called Q-closed spaces,if for each q-cover ｛Vα｜α∈I｝ of X,there exists set ｛Vαi｜i=1,2,…,n｝，such that V-α1∪V-α2∪…∪V-αn=X.

Key words: q-covers, rq-covers, Q-closed spaces