The protagonist of this book is Xiaoyou, a boy who always loves to forget things. Every time he goes to school, he always drops things in a daze, including hats, water bottles, erasers, everything. This makes Xiaoyou very embarrassed and makes his mother extremely troubled. One day after school, Xiaoyou rushed into the house in a hurry and said that he had dropped something again. Mom was preparing to receive bad news, but was surprised to find that what Xiaoyou lost this time was his baby tooth. Finally, "dropping something" brought not trouble, but surprise. It turns out that children's growth is always accompanied by those trivial things that drive parents crazy.
本书的主人公是一个总爱丢三落四的男孩，小佑。他每每去上学，总会迷迷糊糊掉东西，帽子、水壶、橡皮擦，什么都掉过，这让小佑很不好意思，也令妈妈无比伤脑筋。有一天放学，小佑着急忙慌地冲进家门，说自己又掉了一样东西。妈妈正准备迎接坏消息，却惊讶地发现：这次小佑掉的东西，是他的乳牙。终于有一次“掉东西”，带来的不是烦恼，而是惊喜。原来，孩子的成长总是伴随着那些让父母抓狂的鸡毛蒜皮，悄然到来。
本书的主人公是一个总爱丢三落四的男孩，小佑。他每每去上学，总会迷迷糊糊掉东西，帽子、水壶、橡皮擦，什么都掉过，这让小佑很不好意思，也令妈妈无比伤脑筋。有一天放学，小佑着急忙慌地冲进家门，说自己又掉了一样东西。妈妈正准备迎接坏消息，却惊讶地发现：这次小佑掉的东西，是他的乳牙。终于有一次“掉东西”，带来的不是烦恼，而是惊喜。原来，孩子的成长总是伴随着那些让父母抓狂的鸡毛蒜皮，悄然到来。
