May 11 is World Obesity Day, which was established by the World Health Organization. Obesity is one of the ten major chronic diseases identified by the World Health Organization, and is currently one of the most serious public health problems worldwide, as well as a cause of death in today’s society second only to smoking. Obesity will not only bring about changes in body shape, but more importantly will cause an increase in the incidence of diabetes, coronary heart disease and other chronic diseases, obesity has been the invisible “killer” in our lives. At present, Chinese people overweight people amounted to 200 million, obese people more than 90 million. Due to overweight and obesity caused by diabetes, hypertension, cardiovascular disease and other diseases are also increasing year by year and is a trend of rejuvenation. To solve the problem of high rate of obesity in modern people should start from regulating diet, changing bad habits, with reasonable exercise. Prevention and control of obesity, you and I walk together!