A kind of birds foot ring structure improvement,It includes: a foot ring,The foot ring system is the ring body that a metal material is made,And the invaginated type mark part for being equipped with appropriate depth is carved on the surface of the foot ring system what periphery,Effectively clearly show that mark part,It uses so that preventing the mark part from being disappeared due to friction by surface easily causes the facts generator that is not easy to distinguish,And the surface and mark part can separately be utilized respectively anode processing and embedding color is coated with color layer and table chromatograph,To increase the convenience and accuracy of the foot ring identification,And unique person is had both by variation that color layer and table chromatograph color use.一種鳥類用腳環結構改良，其包含：一腳環，該腳環係為一金屬材質製成之環體，且該腳環係於外周之表面刻設有適當深度之凹入狀標識部，即有效清楚顯示標識部，藉以俾能防止該標識部輕易因摩擦而由表面消失造成不易辨別之情事發生者，且該表面及標識部另可分別利用陽極處理及嵌色塗佈有色彩層及表色層，以增添該腳環識別之方便性及準確度，並藉由色彩層及表色層顏色使用的變化而兼具獨特性者。
