This book is a reading guide by a famous teacher of Shen Congwen's famous novel "Border Town". The introduction takes the "character design" as the core, captures the simple and natural character of the central character Cuicui, and presents the characters, environment of Chadong and the artistic style of "Border Town" horizontally into 3 sections and 12 chapters. Chapters 1 to 6 focus on the characters. Each chapter "understands" a character, analyzing the six characters one by one, including Grandpa, Cuicui, Nuosong, Tianbao, Shunshun, and Yang Mabing. Through portraits, language and behavior, they vividly draw their different personalities and outline the ins and outs of Cuicui's storyline. Chapters 8 to 10 capture the typical environment of Chadong, a border town, divided into three aspects: architecture, festivals, and folk customs, revealing the underlying reasons for the simple nature of Cuicui and other characters. Chapters 11 to 12 cut into the artistic style of "Border Town", interpreting the creation of Cuicui in Shen Congwen's writing from three perspectives: narrative structure, language artistic conception, and language style, and deepening understanding. The course design is in-depth and highly immersive, which is a concrete and convenient starting point for understanding the original work. The introduction can grasp the current pain points and difficulties for students to understand, combine typical plots, and use comparative methods to make typical characters in typical environments vivid on the page, making it easy to understand in depth and understand in a simple way. Each article is easy to talk about and not long, so it is suitable for quick reading, and one can quickly grasp the character, plot and soul of the original work, understand Shen Congwen's character creation techniques, structural style and artistic style, so as to learn and apply it flexibly - be able to generalize, transfer and treat both the symptoms and the root causes.