压箱底是中国古代的一种性教育工具，是陶瓷做的，外形一般是粮食，蔬菜，打开后里面是一对交合的男女，一般把它放在箱子最底下。
等女儿出嫁前，母亲会把压箱底取出来，开以示侍女，让她体会夫妻之道。而现代压箱底一般指珍贵的物件或看家的本领。
The bottom of the press box is a sex education tool in ancient China. It is made of ceramics. It usually looks like grain or vegetables.
Before her daughter gets married, the mother will take out the bottom of the press box and open it to show the maid, so that she can experience the way of husband and wife. The modern press box bottom generally refers to precious objects or housekeeping skills.