To provide a crossing-type curtain runner for obtaining folds having natural coordinated appearance same as the other curtain parts in a curtain part opposite to the crossing-type curtain runner even if the curtain is open or closed.

A crossing arm 6 is provided on a hanger part 3 so as to project in a hook shape for forming an overlapping part with the next curtain 2A when the curtain 2 is closed. A fastening tool 23 is provided for fastening the curtain 2 to the hanger part 3 in a middle part between the tip part of the crossing arm 6 and a next curtain runner 24. The fastening tool 23 is held swingably between front and rear directions.