You cannot change the environment, but you can adapt to it. You can't change things, but you can change your mindset. Starting from the adaptability law of survival of the fittest, the author introduces in detail how to adapt to various situations and environments, and how to cultivate your ability to adapt to life. This book aims to help readers better control the adaptability of body self-regulation, and guide readers on how to develop a good mentality, thereby improving their own adaptability; getting rid of old ideas, breaking through the shackles of experience, and adapting to external changes; at the same time, it focuses on cultivating adaptability in life, bravely accepting and adapting to the impact of unfamiliar cultures, thereby improving adaptability to future changes, and ensuring better survival and development in the ever-changing era.