When women reach the age of 40, they must pay more attention to aerobic exercise, such as jogging, cycling, swimming, yoga and other sports to stimulate blood circulation, so that the collagen tissue of the skin is nutritious and the skin tissue is more compact and smooth. Drink a glass of lemon honey water every day, because honey contains many effective antioxidants, and lemon is rich in vitamin C. Usually, you should develop a healthy and regular life, eat more fruits and vegetables, don't stay up late, don't drink and smoke. In skin care, you can use facial mask and skin care water to keep your skin moist.