Among the obese people, there are such a part of them, their body mass index is far more than 35, in a state of serious obesity, and therefore suffer from various diseases, such as hypertension, hyperlipidemia, sleep apnea syndrome, etc., but also told by doctors that only weight loss can get relief. And for these people, the weight loss process is very slow and difficult, whether it is exercise, dieting, or using diet pills, meal replacements and other weight loss methods. To treat morbid obesity, in addition to using the right methods, it is necessary to achieve an extremely high level of self-discipline both in weight loss and after weight loss is seen, otherwise it is not only difficult to lose weight successfully, but there is also the possibility of allowing obesity to develop further. Willpower is the most dependent point in the traditional weight loss methods. Weight loss may seem to be as long as you take a little initiative, but this is actually a struggle with your own physiological response. Chronically obese people have to eat in more food to satisfy their appetite because they eat more and have a larger stomach capacity than normal weight people in the norm. If you simply reduce eating, strong hunger will not only enhance appetite, but also lead to a lower body metabolic rate, so that dieting to lose weight effect. Moreover, due to the long-term excessive diet, the digestive function of obese people is stronger than that of people with normal weight, and food is not only digested faster, but also absorbed more efficiently, which greatly reduces the effectiveness of dieting and weight loss. Wu Liangping pointed out that dieting alone is difficult to work for people with severe obesity, and it is necessary to control the daily food intake through meal replacement and weight loss surgery, but it is still necessary to choose the right weight loss program according to their own situation.