To provide a cleaning tool which can clean the member to be cleaned of a precision device such as a hard disk, and a method for producing the tool.

A tip member for cleaning which is manufactured so that after a heat-melted mixture comprising a thermoplastic resin, a water-soluble bubble forming material, and a water-soluble polymer compound acting as a lubricant is injection-molded into a shape necessary for cleaning, the molding is contacted with water to extract/remove the bubble forming material and the polymer to leave three-dimensional open cell structure in the inside is used.