First of all, in terms of appearance, it is very important for a 40-year-old man to maintain a refreshing appearance and spiritual temperament. Beauty salons recommend bioelectricity and ions, and the effect is good. When cleansing and shampooing, it is best to use oil-control refreshing products to keep you fresh. Don't use oily skin care products such as cream. Use fresh and elegant ones to enhance your temperament. Second, work. 40 years old is a very important transition period for men. It's time to make some plans to lay the foundation for your future life. Learn to save money. You can't earn one point and spend two points as you did when you were young. Hard work and a steady income are the most important. Don't be a job-hopping family like young people. After all, there is no such capital as young people in the years. Third, mentality. Don't always feel old, the days are still long. Of course, it is true that you are old, but you should also keep young and energetic in your mind.