本书首先从体适能的概念研究范畴入手，揭示了体适能的概念、基本属性、系统结构、功能以及发展现状等。在此基础上，从体适能训练的基础理论、体适能训练项目选择、体适能训练的实施和效果评价等方面对体适能训练的基本原理进行了重新建构，接下来又运用运动训练学理论对体适能训练过程进行了分析，并根据这些基本原理和分析提出了体适能训练应遵循的基本原则。并对体适能的锻炼方法提出了新的看法。(Beginning with the conceptual research category of physical fitness, this book reveals the concept, basic attributes, system structure, functions and development situation of physical fitness.On this basis, the basic principles of physical fitness training are reconstructed from the aspects of the basic theory, program selection, and implementation and effectiveness evaluation of physical fitness training. Also, this book provides an analysis of the process of physical fitness training using sports training theory, and puts forward the basic principles that should be followed in the training of physical fitness based on these basic principles and analysis.It puts forward a new view on training methods of physical fitness.)