A yarn feeding package conveying carriage for conveying a yarn feeding package while being loaded with the yarn feeding package, the carriage comprising: a carriage body capable of traveling; a peg shaft arranged so as to cantilever-like extend from the carriage body for hanging the yarn feeding package in such a manner that the peg shaft is inserted into a bobbin of the yarn feeding package; and a positioning member (23, 29) provided for the peg shaft, wherein the peg shaft has a first position and a second position set thereon aligned along an axis direction thereof each at which the yarn feeding package is to be hung, and the first position is provided at a tip side of the peg shaft in the axis direction, and the second position is provided at a carriage body 's side of the peg shaft in the axis direction, characterized in that: the positioning member (23, 29) is attached to the peg shaft immovably in the axis direction between the first position and the second position aligned along the axis direction to be arranged in such a manner that the positioning member (23, 29) is engaged with the yarn feeding package hung at the first position so as to position the yarn feeding package at the first position, and the positioning member (23, 29) is arranged so as to be switchable between in a projecting state of projecting upward from the peg shaft thereby capable of being engaged with the yarn feeding package hung at the first position and in a non-projecting state of not projecting upward from the peg shaft. a carriage body capable of traveling; a peg shaft arranged so as to cantilever-like extend from the carriage body for hanging the yarn feeding package in such a manner that the peg shaft is inserted into a bobbin of the yarn feeding package; and a positioning member (23, 29) provided for the peg shaft, wherein the peg shaft has a first position and a second position set thereon aligned along an axis direction thereof each at which the yarn feeding package is to be hung, and the first position is provided at a tip side of the peg shaft in the axis direction, and the second position is provided at a carriage body 's side of the peg shaft in the axis direction, characterized in that: the positioning member (23, 29) is attached to the peg shaft immovably in the axis direction between the first position and the second position aligned along the axis direction to be arranged in such a manner that the positioning member (23, 29) is engaged with the yarn feeding package hung at the first position so as to position the yarn feeding package at the first position, and the positioning member (23, 29) is arranged so as to be switchable between in a projecting state of projecting upward from the peg shaft thereby capable of being engaged with the yarn feeding package hung at the first position and in a non-projecting state of not projecting upward from the peg shaft. the positioning member (23, 29) is attached to the peg shaft immovably in the axis direction between the first position and the second position aligned along the axis direction to be arranged in such a manner that the positioning member (23, 29) is engaged with the yarn feeding package hung at the first position so as to position the yarn feeding package at the first position, and the positioning member (23, 29) is arranged so as to be switchable between in a projecting state of projecting upward from the peg shaft thereby capable of being engaged with the yarn feeding package hung at the first position and in a non-projecting state of not projecting upward from the peg shaft.