Abstract: The present invention is a kind of mop structure, wherein a barricading positioning device is installed on the main rod which would be used to work with several return stops that are implemented inside the traction part, the traction part can be moved or rotated on outside of the main rod. When the traction part is moving by the moving grip installed on the traction part, elastic barricading will be happening and the operation of winding dry will be convenient. At the bottom end of the main rod installs a connection base, a mop body is installed in-between the connection base and the connection part on one end of the traction part, a cable tie is used to tie up the mop body on the end of the traction part, the other end of the mop is installed on the connection base by a elastic connecting part which makes the installation of the mop body quick. A piece of push-tight part is provided in-between the main rod and the connection base, which is used to fix the connection base on one end of the main rod.