The root cause of obesity is the decline of fat metabolism, and modern medicine has classified obesity as a metabolic disease. Therefore, improving metabolic level and ability is the key to healthy weight loss. It is by improving the metabolic ability of obese people that we can lead the new trend of losing weight. This pure natural method of losing weight transcends the effects of exercise and yoga, abandons the side effects of diet pills, and creates a new century era of healthy weight loss. The formula of healthy weight loss is: balanced nutrition+low calories+no reduction in human metabolism+less than 4 kg a week.