Abstract: A nail magazine structure of a power nailer includes a first magazine sheet, a second magazine sheet disposed on the first magazine sheet, and a plurality of nail pushing units parallel to one another and disposed between the first magazine sheet and the second magazine sheet for pushing a row of nails disposed in the nail magazine. The nail pushing unit includes a pushing sheet, a flexible element, and a supporting portion disposed at a side of the pushing sheet for near supporting an end of the row of nails, such that the row of nails can be stably disposed in the nail magazine and be stably removed.