为了有效地增加小学生的体质，促进其身体机能的正常发展，小学体育教师应了解小学生的心理和生理特点，掌握儿童少年生长的一般规律，尤其是要培养小学生的自信心。 　　儿童少年的自信心无论对他们的学习还是一生的发展都至关重要，只有自信的人，才能在成长的过程中既保持 In order to effectively increase the physique of primary school students and promote the normal development of their physical functions, primary school physical education teachers should understand the psychological and physical characteristics of primary school students and master the general rules for the growth of children and adolescents, especially to cultivate pupils’ self-confidence. The self-confidence of children and young people is of vital importance both to their learning and to the development of their lives. Only those who are confident can maintain the process of growth.