China has a low success rate in losing weight. According to the survey data of netizens' weight health in China, 38.25% of overweight and obese people have never lost weight. 37.98% people lost weight 1 or twice,1.40% people lost weight 3 or 5 times, and 12.36% people lost weight more than 5 times, but they still failed to control their weight. Those who fail to lose weight for more than three or five times mostly resort to dieting, and the harsh dieting-out of control of willpower-overeating-rebounds, so that many people will eventually fall into a state of despair and self-abandonment. In the latest weight loss, only 9.54% of netizens successfully lost their target weight, 39.02% lost some weight, 25.07% lost weight and rebounded, and 26.36% did not lose weight.