The utility model provides a sheep self -feeding groove, including feed bin and feed bunk, its characterized in that, the feed bin includes the shell and sets up in the inside feed supplement device of shell, the opening of feed bin below is the inlet, feed bunk correspond set up in the below of inlet, the feed supplement device is the centrum, the application provides a sheep self -feeding groove, simple structure, cost of manufacture are not high, convenient to use, and the volume of feed bin is great, can store more fodder, needn't frequently carry out the hand -stuff, and the material is thrown to the mode that adopts the fixed point to throw the material, through the even ejection of compact of automatic adjustment mechanism, makes the fodder distribute in feed bunk evenly, can make the sheep only search for food evenly.