The 7-day plan of extravagant oxygen and light food can play a certain role in losing weight, detoxifying and improving metabolism, which is useful. The plan is mainly to provide nutrients needed by the body with low calorie and high nutrition, and at the same time reduce calorie intake, thus promoting body metabolism and losing weight. Whether the plan is suitable for personal needs depends on the specific situation. Because everyone's physical condition, health status and eating habits are different, it is best to consult a doctor or dietitian for necessary physical examination and evaluation before using this scheme. Besides, this plan is only a short-term way to lose weight. If you want to maintain a healthy weight and good physical condition for a long time, you need to make a reasonable diet plan and a healthy lifestyle to keep your body healthy and balanced.