For the current sales model,set sales is more able to reflect its convenience and profitability, because of his previous sales model is not capable now of the society, the society is convenience-oriented society, do have to pay attention when a efficient society, so the general marketing tool and now it is not feasible, this bundling model, based on the shortest time will be the most goods sold in the most affordable price, so that the customer is a very good thing for the business while also avoiding the backlog of goods to cause unnecessary losses, so that the current model this bundling more and more businesses of all ages.