Eat oysters in moderation will not gain weight, excessive eating will gain weight. Every 100 grams of oysters contain 57 calories, of which zero carbohydrates, 10.9 grams of protein, 1.5 grams of fat. Oysters belong to protein-rich food, while containing a large number of trace elements, but the calorie is relatively low, under normal circumstances every day will be oyster intake control in the appropriate range, are not obese; but if it is a long time, excessive consumption, the overall calorie will also appear to be excessive, a lot of calories into fat, and finally caused the problem of obesity. In addition, when consuming oysters, it is recommended to try to take the way of steaming, so that the nutrients can be retained, while the intake of fat will also be reduced, so as to avoid the emergence of obesity. If there is too much oyster intake, you can swim, jump rope and other sports for calorie consumption, reduce the accumulation of fat, so as to play the effect of weight loss.