This book revolves around the young protagonist, Lulala, who longs for a life "without brushing his teeth." He encounters animals like rabbits, crocodiles, and birds, each proudly sharing their secret to "never brushing their teeth"—for example, the rabbit has ever-growing incisors, and the crocodile has a toothpick bird to help clean its teeth. However, Lulala soon experiences the pain of cavities. Will he pick up a toothbrush willingly? Through a series of fun encounters and dialogues, the story guides young readers to understand the importance of brushing their teeth, helping children overcome their aversion to brushing and develop good dental habits.
本书围绕小主人公鲁拉拉展开，他向往“不用刷牙”的生活。他看到了兔子、鳄鱼、小鸟等动物，每个动物都得意地分享自己“从不刷牙”的秘诀，比如兔子有不断生长的门牙，鳄鱼有帮忙剔牙的牙签鸟。不过，鲁拉拉很快尝到了蛀牙的苦头，他会主动拿起牙刷吗？故事借助一连串有趣的邂逅和对话，引导小读者认识刷牙的重要，帮助孩子克服对刷牙的排斥，养成爱护牙齿的好习惯。
本书围绕小主人公鲁拉拉展开，他向往“不用刷牙”的生活。他看到了兔子、鳄鱼、小鸟等动物，每个动物都得意地分享自己“从不刷牙”的秘诀，比如兔子有不断生长的门牙，鳄鱼有帮忙剔牙的牙签鸟。不过，鲁拉拉很快尝到了蛀牙的苦头，他会主动拿起牙刷吗？故事借助一连串有趣的邂逅和对话，引导小读者认识刷牙的重要，帮助孩子克服对刷牙的排斥，养成爱护牙齿的好习惯。
