A textile machinery comprising: a plurality of processing units adapted to perform yarn processing, a plurality of operation carts (3, 31, 32), each operation cart (3, 31, 32) being adapted to travel and execute an operation with respect to the processing units, and a control section (38, 4) adapted to select an operation executing cart from the plurality of the operation carts (3, 31, 32) in accordance with an operation request from an operation requesting unit, which is one of the plurality of the processing units, the operation executing cart being adapted to execute an operation with respect to the operation requesting unit, wherein at least a portion of the plurality of the processing units is arranged within an exclusive region (S1, S2) where the operation requesting unit can receive the operation from only one of the operation carts (31, 32), and at least a different portion of the plurality of the processing units is arranged within an overlapping region where the operation requesting unit can receive the operation from the plurality of the operation carts (31, 32), and wherein the operation cart (3, 31, 32) is adapted to execute the operation with respect to at least one processing unit arranged within the exclusive region and at least one processing unit arranged within the overlapping region, characterized in that when the operation requesting unit is located within the overlapping region, the control section (38, 4) is adapted to select as the operation executing cart, one operation cart (3, 31, 32), which has a smallest number of occurrences of the operation requests within the exclusive region (S1, S2), from the plurality of the operation carts (3, 31, 32), which can execute the operation with respect to such an operation requesting unit. a plurality of processing units adapted to perform yarn processing, a plurality of operation carts (3, 31, 32), each operation cart (3, 31, 32) being adapted to travel and execute an operation with respect to the processing units, and a control section (38, 4) adapted to select an operation executing cart from the plurality of the operation carts (3, 31, 32) in accordance with an operation request from an operation requesting unit, which is one of the plurality of the processing units, the operation executing cart being adapted to execute an operation with respect to the operation requesting unit, wherein at least a portion of the plurality of the processing units is arranged within an exclusive region (S1, S2) where the operation requesting unit can receive the operation from only one of the operation carts (31, 32), and at least a different portion of the plurality of the processing units is arranged within an overlapping region where the operation requesting unit can receive the operation from the plurality of the operation carts (31, 32), and wherein the operation cart (3, 31, 32) is adapted to execute the operation with respect to at least one processing unit arranged within the exclusive region and at least one processing unit arranged within the overlapping region, characterized in that when the operation requesting unit is located within the overlapping region, the control section (38, 4) is adapted to select as the operation executing cart, one operation cart (3, 31, 32), which has a smallest number of occurrences of the operation requests within the exclusive region (S1, S2), from the plurality of the operation carts (3, 31, 32), which can execute the operation with respect to such an operation requesting unit.