At present, the medical sector has already been alerted that the fat is a kind of disease actually. It is one of the chronic diseases with the fastest growth rate in this century. The World Health Organization announced that the fat was a kind of disease clearly in 1997, and pointed the obesity was one of the epidemic diseases which eroded the human health in the whole world nowadays. It is a main public health problem. The obesity is even a dangerous factor of many chronic diseases. Though there are many treatment ways for the obesity, the precaution is the best strategy. The weight reduction is a gradual process. In the clinical treatment process for the patient, how to establish the healthy living habit and raise the motivation of weight reduction will be the best way to prevent the obesity effectively in the whole life.