In today's manufacturing market, businesses are striving to find ways to become more efficient. In garment industry manufacturing throughput time is the time between the release of an order to the factory floor and its receipt into finished good. The through put time is also called as change over time. Through put time in manufacturing garment plays very important role for reducing the work-in-process time and improving the garment quality with less production cost also it reduces the time required to respond the customer orders. The factors those are responsible for the reduction of manufacturing throughput time are somewhat confusing because throughput time reduction can indeed be a doubting task due to the many factors that influencing it and their complex interactions. There are some basic principles that, when applied correctly can be used to reduce manufacturing throughput time.