The lesson of Mr. Slow Snail tells us that even if the snail climbs slowly, it can appreciate the different scenery of the four seasons with its pure and persistent spirit. In everyone's life, whether dull or smart, unlucky or lucky, poor or rich, as long as everyone has a firm belief in pursuing ideals and an optimistic and open-minded spiritual quality, they will eventually see their own scenery. This text is a popular science fairy tale full of childlike interest. Through the story of a small snail going to the forest three times, help students understand the different characteristics of the four seasons and the slow crawling of snails. This text is accompanied by four colorful illustrations with distinctive seasonal characteristics, aiming at cultivating students' ability to learn from pictures, read independently and read independently. By guiding students to observe pictures, relying on life experience, reading by roles, guiding students to read, and cultivating students' autonomous reading ability in language activities such as repeated observation, reading, memory and imagination.