Expanding type sliding sleeve opening and closing tool

The invention relates to an expanding type sliding sleeve opening and closing tool for well completion sand prevention fracturing operation. The expanding type sliding sleeve opening and closing toolcomprises an upper mandrel, a cylinder sleeve, a first sealing ring, a second sealing ring, a piston, a piston pressing cap, an elastic opening and closing claw, a limiting cylinder, a third sealing ring, a lower mandrel and a lower mandrel pressing cap. The upper portion of the lower mandrel is connected with the limiting cylinder and then provided with a supporting boss, and the elastic openingand closing claw is supported to be capable of opening and closing a sliding sleeve with the small size specification through an opening and closing driving tooth on the elastic opening and closing claw in the non-opened state. When the sliding sleeve with the large size specification is opened and closed, the expanding type sliding sleeve opening and closing tool is carried by a service pipe column to descend into a well