This series is a guide book tailored for art beginners, including gypsum geometry, gypsum head portrait, sketch still life, sketch portrait, sketch landscape, Yingtianqi sketch collection, Yingtianqi comprehensive materials and techniques altogether 7 books. Yingtianqi sketch Collection with hundreds of YingTianqi sketch works in the past 20 years, selected the best of them, edited and published a unique sketch collection. The book provides an appendix to Ying Tianqi's unique marker sketching techniques, as well as the painting process, the comparison between live photos and sketching works, and the author's own interpretation of his work. It can guide the learners to sketch some basic methods in a more comprehensive way, and cultivate the ability of the painter to deal with the picture. The contents of the works included in the sketchbook. It is composed of sketches of Xidi Village and Hui-style dwellings in southern Anhui province, combined with the author's foreign sketches. The works are rich in content and diverse in techniques, which have some intuitive and practical significance for beginners.