中学物理解题中,选择研究对象是解决问题的首要环节,合理选择研究对象往往会使问题简化,反之,会使问题复杂化,甚至使问题无法解决。同样,合理选取物理过程,常常会使问题解决带来意想不到的方便与简捷。整体法就是抛开细节而着眼全局研究问题的一种物理思维方法。 In middle school physics problem solving, choosing research object is the most important part to solve the problem. To reasonably choose the research object tends to make the problem simple, on the contrary, the problem will be complicated and the problem can not be solved. Similarly, rational selection of physical processes often leads to unexpected convenience and simplicity of problem solving. The holistic approach is a physical way of thinking that puts aside the details and focuses on the overall research problem.