A clip nail pusher structure for a clip applier is configured to install and push a clip nail, wherein a nail pitch is formed between every two clip nails the clip nail pusher structure of the clip applier includes a nail mounting groove piece having a receiving slot, wherein the clip nails are continuously placed in the receiving slot of the nail mounting groove piece and a screw-in ladder member having a nail-pushing part and a plurality of pushed parts with a distance between the every two pushed parts a pusher member having a body a front pusher portion that can push the foremost clipnail, and a rear pusher portion that can push each pushed part of the screw-in ladder member.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。(1)‧‧‧夾釘(6)‧‧‧施夾單元(10)‧‧‧置釘槽件(20)‧‧‧進釘梯件(30)‧‧‧推釘件(40)‧‧‧下半管