The present invention provides a net breaking device for a pigeon, comprising: a wearing structure comprising a front sleeve portion, a rear sleeve portion and two side sleeve portions, the front sleeve portion and the rear sleeve portion respectively on the front and rear sides of the wearing structure, The two side sleeves are respectively on the left and right sides of the wearing structure, the front sleeve portion is for passing the neck of the pigeon, and the rear sleeve portion is for passing the tail of the pigeon, and the two side sleeve portions are for the wings of the pigeon side Passing through the foot separately, an adjusting structure is disposed between the front sleeve portion and the rear sleeve portion, and the size of the rear sleeve portion is adjusted by the adjusting structure； and a knife portion is disposed at least on the front side and/or the lower side of the wearing structure On the side, the blade portion includes a serration and a blade, the blade being fixed between the serrations, a portion of the blade being covered in the serration, and a tip end of the serration protruding from a blade edge of the blade.本新型提供一種鴿用破網裝置，包括：一穿戴結構，包含一前套部、一後套部與二側套部，該前套部與該後套部分別在該穿戴結構的前後側，該二側套部分別在該穿戴結構的左右側，該前套部係讓鴿子的脖子穿過，該後套部係使鴿子的尾部穿過，該二側套部係供鴿子二側的翅膀與腳分別通過，該前套部與該後套部之間設置有一調整結構，藉該調整結構而調整該後套部的大小；以及一刀部，至少設置於該穿戴結構的前側及/或下側，該刀部包括一鋸齒與一刀片，該刀片被固定在該鋸齒之間，該刀片的一部份被包覆在該鋸齒內 ，且該鋸齒的尖端較該刀片的刀刃凸出。
