The book is a tutorial focusing on Chinese calligraphy techniques and calligraphy enlightenment, emphasizing the guidance of basic techniques through calligraphy aesthetics. This book is divided into ten chapters: the first chapter is stroke theory, with the theme of the eight methods to write the character "永" and the five types of brush strokes. The second chapter is structural theory, with the theme of the main brush and the structure rules. The third chapter is radical theory, with the theme of the eight series of radicals. The scientific aspect of the tutorial on regular script techniques is reflected in the fourth chapter of this book, with the theme of radical learning method. From the fifth chapter to the eighth chapter, it is a micro-analysis and special lectures on the beauty of calligraphy, making the macro theories in the previous chapters more comprehensive and persuasive. The last two chapters are respectively about the elements involved in writing cursive and semi-cursive script,and the ancient styles embodied in clerical script and the seal script.