The utility model relates to a nail pushing structure of a clamp apparatus, which is used to install and push the clamp nails, wherein a nail space is formed between two clamp nails； the nail pushing structure of the clamp apparatus comprises a nail slot piece, which has a holding groove, and the clamp nails are continuously arranged on the holding groove of the nail slot piece by grounding； a nail ladder piece, which has a nail pushing part and a plurality of pushed parts which form a section between two sides A push pin piece has a body, a front push part can push the nail at the most front, and a rear push part can push each push part of the nail ladder piece.一種施夾器的夾釘推送結構，係用以裝設及推送夾釘，其中兩兩夾釘之間形成一釘距；該施夾器的夾釘推送結構包含有一置釘槽件，具有一容置槽，所述夾釘係連續靠接地設於該置釘槽件的容置槽；一進釘梯件，具有一推釘部，以及多個受推部其兩兩之間形成一節距；一推釘件，具有一本體，一前方推部可推抵最前方之該夾釘，以及一後方推部可推抵該進釘梯件的各受推部。
