Obesity, this word is very familiar to everyone, and most people know that it has a close relationship with high blood pressure, diabetes, coronary heart disease and so on. But it is related to joint health, especially the health of weight-bearing joints most people do not realize, so many people have a very big impact, while not getting the right treatment, which seriously affects the quality of life, until the discovery of the best time to miss the treatment before regretting, and often the consequences are difficult to reverse. Weight-bearing joints, mainly the hips, knees, ankles, etc., which are almost always carrying weight when humans walk and move around, are under constant pressure of tens of kilograms, and healthy joints can usually help us to carry our own standard body weight throughout our lives. However, once the weight is too much, the pressure they are subjected to will be greatly increased, especially when bending to bear weight or exercise, such as climbing, going up and down stairs, squatting, repeated jumping, etc., the cartilage structure on the surface of the joints which is responsible for bearing the weight will be relatively easy to be overly squeezed, and once the pressure acting on the cartilage is more than the limit load it can bear, it will likely cause irreversible injuries, thus causing pain, and further leading to the functioning of joints, which will be more difficult for the joints to function. Once the pressure on the cartilage exceeds its load limit, it is likely to cause irreversible damage, leading to pain, further limitation of joint function, and ultimately affecting the quality of life. This load limit is relatively uncommon for people of standard body weight, while it is much more likely to occur in obese people. Clinically, the most common are probably patients with osteoarthritis of the knee, most of whom are relatively obese middle-aged and elderly women, especially when coupled with the effects of more housework, osteoporosis and other factors, they are more likely to suffer from this disease. It is now the most prevalent and influential degenerative osteoarthritis of all joints in the elderly. Many people are forced to undergo knee replacement surgery around the age of 60-70 as a result. I believe that the vast majority of patients are reluctant to undergo such a major surgery at such an age when they have to risk a relatively large amount of safety risks. Therefore, in order to reduce the risk of developing these diseases, we sincerely recommend that you pay attention to your weight, as this is the most important and controllable factor, which is much more controllable than accidental injuries, occupational factors (e.g., athletes, heavy laborers), and hereditary factors, and so on. With proper control of one’s diet, especially one’s strong desire for food, and a reasonable and healthy exercise regimen, one can usually keep one’s weight within a reasonable range, thus minimizing the excessive burden on the weight-bearing joints, improving the duration of joint use, and maintaining a good quality of life, which is, I think, the outcome that everyone should expect. Therefore, please pay enough attention to your weight, especially not to make obesity become the mark of your body, so that you should be able to enjoy as much as possible in life, the joy of life, the happiness of health!