Solving problems is a process of groping and exploring based on the problem solver’s understanding. Some people have to tinker for a long time, trying this way and that to solve it, while others find a solution very quickly. So what is the secret to the ability to solve math problems quickly and accurately? How to practice?This article introduces readers to the method of transforming the form of the problem, one of the effective methods to find satisfactory solutions, from which the problem can be viewed from different aspects and angles.