According to the website of seeking medical advice, the fat memory period is 3-6 months. Only by choosing a healthy way to lose weight and developing good living habits can we avoid the rebound. After losing weight, fat cells become smaller, but they will restore their memory and quickly recover their original size or even larger, causing a rebound. Develop good living habits and eating habits, such as not eating for two hours before going to bed, eating more protein food, matching coarse grains with flour and rice, eating less salt, drinking less alcohol, eating less sweets and fatty foods, and maintaining a certain amount of exercise.