Abstract: A press-type fastener comprises a retaining bottom base, a retaining block, a press top base, an action toothed block, and a one-way toothed belt. The retaining block is fastened pivotally with the retaining bottom base while the action toothed block is fastened pivotally with with the press top base. The one-way toothed belt is fastened or unfastened by the action toothed block when the press top base is pressed and released repeatedly.