福建省有一家荔枝食品厂过去产品销路一直不畅。后来尝试用“母子”包装法重新进行产品包装，投放市场后，竟然获得意外的畅销。他们的做法是，降低包装材料的档次，用节省下来的钱在大包装的外面搞一个小包装，小包装里的食品免费供顾客品尝，而大包装所有的材料则是透明的， There is a litchi food factory in Fujian Province in the past product sales have been sluggish. Later, try to use “mother” packaging method to re-product packaging, put on the market, even unexpectedly won the best-selling. Their approach is to reduce the grade of packaging materials, with the money saved in the big package outside to engage in a small package, the food in the small package for free for customers to taste, and the packaging of all materials is transparent,