A yarn cutting-sucking device configured to cut and suck yarns (Y) which run in a yarn running direction while being aligned in an arrangement direction, the yarn cutting-sucking device comprising: a cutter which includes a blade part for cutting each of the yarns (Y); a sucking section which is movable together with the cutter and which is configured to suck the yarns (Y) cut by the cutter ; a first guide which is provided upstream of the cutter in the yarn running direction, which moves together with the cutter , and which is configured to guide each of the yarns (Y) to the blade part ; characterized in that the yarn cutting-sucking device further comprises: a second guide which is provided downstream of the cutter in the yarn running direction, which moves together with the cutter , and which is configured to guide each of the yarns (Y) to the blade part , when the cutter cuts the yarns (Y), a relative position of the cutter to the yarns (Y) moving from one side toward the other side in the arrangement direction, the first guide including a first regulatory portion which regulates movement of each of the yarns (Y) in a direction in which each of the yarns (Y) is pushed as a result of contact with the blade part , and the second guide including a second regulatory portion which regulates the movement of each of the yarns (Y) in the direction in which each of the yarns (Y) is pushed as a result of the contact with the blade part . a cutter which includes a blade part for cutting each of the yarns (Y); a sucking section which is movable together with the cutter and which is configured to suck the yarns (Y) cut by the cutter ; a first guide which is provided upstream of the cutter in the yarn running direction, which moves together with the cutter , and which is configured to guide each of the yarns (Y) to the blade part ; characterized in that the yarn cutting-sucking device further comprises: a second guide which is provided downstream of the cutter in the yarn running direction, which moves together with the cutter , and which is configured to guide each of the yarns (Y) to the blade part , when the cutter cuts the yarns (Y), a relative position of the cutter to the yarns (Y) moving from one side toward the other side in the arrangement direction, the first guide including a first regulatory portion which regulates movement of each of the yarns (Y) in a direction in which each of the yarns (Y) is pushed as a result of contact with the blade part , and the second guide including a second regulatory portion which regulates the movement of each of the yarns (Y) in the direction in which each of the yarns (Y) is pushed as a result of the contact with the blade part . a second guide which is provided downstream of the cutter in the yarn running direction, which moves together with the cutter , and which is configured to guide each of the yarns (Y) to the blade part , when the cutter cuts the yarns (Y), a relative position of the cutter to the yarns (Y) moving from one side toward the other side in the arrangement direction, the first guide including a first regulatory portion which regulates movement of each of the yarns (Y) in a direction in which each of the yarns (Y) is pushed as a result of contact with the blade part , and the second guide including a second regulatory portion which regulates the movement of each of the yarns (Y) in the direction in which each of the yarns (Y) is pushed as a result of the contact with the blade part . <EOS>