The construction of a large-scale quarry crushing production line requires a lot of investment. It is necessary to buy various conveying equipment and crushers. The return and recovery of these funds are the source and motivation for users to obtain principal and economic profits. It is necessary to investigate the market of crushed sand and gravel. If the type of minerals mined is not welcomed by the market and the market is not good, it will be a waste of investment after the investment, and it will make the cost ridden, and the payback period will be extended, which is not good for users. Therefore, it is recommended to consider the sales of the output stone when investing in the crushing production line of a large quarry.