A textile machine comprising an oiling device configured to apply oil to a yarn running along a predetermined yarn path, the oiling device including: a holder attached to a base; an oil supply guide which includes a discharge port and a pair of yarn guiding members provided on both sides of the discharge port in a direction orthogonal to a yarn running direction and which is attachable to and detachable from the holder, the oil being discharged from the discharge port, the yarn running in the yarn running direction, and the paired yarn guiding members being configured to guide the yarn; a fixing member configured to fix the oil supply guide to the holder; and a packing provided between the holder and the oil supply guide, one of the oil supply guide and the holder being provided with a cylindrical passage portion in which an oil passage is formed, the oil flowing toward the discharge port in the oil passage, the other of the oil supply guide and the holder not being provided with the passage portion but being provided with a cylindrical covering portion which is coaxial with the passage portion and which is able to cover an outer circumferential surface of the passage portion, the holder being provided with at least one first contact surface (73a, 373a, 473a) which is able to make contact with the fixing member, the oil supply guide being provided with at least one second contact surface (66a, 266c, 366c) which is able to make contact with the fixing member, the at least one first contact surface (73a, 373a, 473a) being arranged to fix the position of the fixing member in a circumferential direction of the passage portion by making contact with the fixing member, and the at least one second contact surface (66a, 266c, 366c) being arranged to fix the position of the oil supply guide in the circumferential direction by making contact with the fixing member the position of which is fixed by the at least one first contact surface (73a, 373a, 473a) in the circumferential direction. a holder attached to a base; an oil supply guide which includes a discharge port and a pair of yarn guiding members provided on both sides of the discharge port in a direction orthogonal to a yarn running direction and which is attachable to and detachable from the holder, the oil being discharged from the discharge port, the yarn running in the yarn running direction, and the paired yarn guiding members being configured to guide the yarn; a fixing member configured to fix the oil supply guide to the holder; and a packing provided between the holder and the oil supply guide, one of the oil supply guide and the holder being provided with a cylindrical passage portion in which an oil passage is formed, the oil flowing toward the discharge port in the oil passage, the other of the oil supply guide and the holder not being provided with the passage portion but being provided with a cylindrical covering portion which is coaxial with the passage portion and which is able to cover an outer circumferential surface of the passage portion, the holder being provided with at least one first contact surface (73a, 373a, 473a) which is able to make contact with the fixing member, the oil supply guide being provided with at least one second contact surface (66a, 266c, 366c) which is able to make contact with the fixing member, the at least one first contact surface (73a, 373a, 473a) being arranged to fix the position of the fixing member in a circumferential direction of the passage portion by making contact with the fixing member, and the at least one second contact surface (66a, 266c, 366c) being arranged to fix the position of the oil supply guide in the circumferential direction by making contact with the fixing member the position of which is fixed by the at least one first contact surface (73a, 373a, 473a) in the circumferential direction.