What if there is no money? Users can borrow money for stock trading and enlarge their own stock trading funds through stock matching. Stock matching enables some people who lack funds to seize the favorable entry time and make quick profits, which is one of them; Secondly, stock matching can make people who are doing other businesses not delay the operation of their own business because they invest money in the futures market and the stock market; Third, the stock allocation needs the supervision of investors, which is a reminder to the stock allocator, so that the stock allocator can stop the loss in time, so as not to put all his funds into the point of loss. Step-by-step capital investment also limits investors' gambling psychology to a certain extent, and gains time for adjusting operation ideas. Most investors have good profitability and risk control ability, but due to the small amount of funds, their trading ability and profitability cannot be fully exerted. The most direct way to solve this problem is to expand working capital. Using capital leverage, in the big market, as long as we grasp an opportunity, we can maximize the benefits. Stock matching is a business to enlarge working capital for investors with rich trading experience and good risk control ability.