儿童画在涂鸦期是抒情达意式的，以线为主要方式，到中年级以后思维和认识才开始发展到写实，才能正确地画出事物的形状，并注意到透视、明暗、气氛、结构等方面。把握这些特点，就能够在小学美术课堂教学中有效地运用线描写生，同时注意培养学生的观察能力、思维能力和审美能 Children's drawing is lyrical and gracious in graffiti, taking the thread as the main way. Only after the middle-grade is thinking and understanding started to develop into reality, can we correctly draw the shape of things, and pay attention to perspective, light and shade, atmosphere, structure, etc. aspect. Grasp these characteristics, we can effectively use line drawing in primary school art classroom teaching, while paying attention to develop students' observation ability, thinking ability and aesthetic ability