线是表达物象艺术的一种工具。在绘画中,线,或称线条,是一种存在于美术作品中的视觉形态要素,由于它们往往是和形、体、色、光等视觉同时并存,所以,造型观念中的线,往往和视觉上的概括提炼与抽象相联系。视觉中,线的功能与审美有很大的差异。几何上的线往往是形的塑造者,在这方面,线有功能但无艺术审美特征。然而,美术中学生对线的功能与审美特征的感受和认识,对线功能与审美能力的形成,必须通过美术欣赏和美术创造的实践去 Line is a tool for expressing object art. In painting, lines, or lines, are visual morphological elements that exist in the works of art. Since they tend to coexist with the visual, shape, body, color, light, etc., the lines in the modeling concept are often Visual summarization is linked to abstraction. Visual, the function of the line and the aesthetic is very different. Geometrical lines tend to be shaped by shape, and in this respect, lines are functional but have no artistic aesthetic. However, art students feel and understand the function and aesthetic characteristics of line, the formation of line function and aesthetic ability must go through the practice of art appreciation and art creation