To provide a cleaning tool, which is easy to remove sticky dirt on surface of window screen, window or the like and capable to clean the window screen, the window or the to corners easily not remaining the dirt.

A cleaning tool 10 is installed with a cleaning sheet 10a on a side 18 of like a base member 16 having a grip 14 on the other side 12. A plurality of convex portions 20 with pliability and elasticity formed over one second of the whole area of a sheet attachment side 18 of the base member 16. And block portions 22, which are not to be bent by outside pressure are formed on four rim edges 18, etc., of the sheet attachment side 18.